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Journal articles on the topic '1-azabicyclo(2.2.1)hept-2-ene'

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Published: 4 June 2021

Last updated: 28 July 2025

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1

Puerto Galvis, Carlos E., and Vladimir V. Kouznetsov. "An unexpected formation of the novel 7-oxa-2-azabicyclo[2.2.1]hept-5-ene skeleton during the reaction of furfurylamine with maleimides and their bioprospection using a zebrafish embryo model." Org. Biomol. Chem. 11, no. 3 (2013): 407–11. http://dx.doi.org/10.1039/c2ob26699g.

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An unexpected intramolecular cyclization during the reaction of furfurylamine with maleimides is reported as a novel strategy for the efficient green synthesis of the 7-oxa-2-azabicyclo[2.2.1]hept-5-ene skeleton.

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2

Sousa, Carlos A. D., M. Luísa C. Vale, José E. Rodríguez-Borges, and Xerardo García-Mera. "Phosphorylation of 2-azabicyclo[2.2.1]hept-5-ene and 2-hydroxy-2-azabicyclo[2.2.1]hept-5-ene systems: synthesis and mechanistic study." New Journal of Chemistry 34, no. 11 (2010): 2546. http://dx.doi.org/10.1039/c0nj00239a.

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3

Durham, Robin, Jérémie Mandel, Nicolas Blanchard, and William Tam. "Ruthenium-catalyzed [2+2] cycloaddition reactions of a 2-oxa-3-azabicyclo[2.2.1]hept-5-ene with unsymmetrical alkynes." Canadian Journal of Chemistry 89, no. 12 (2011): 1494–505. http://dx.doi.org/10.1139/v11-135.

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Ruthenium-catalyzed [2+2] cycloaddition reactions of a 2-oxa-3-azabicyclo[2.2.1]hept-5-ene with unsymmetrical alkynes were investigated. Yields of up to 90% were obtained though regioselectivity was modest. Select cycloadducts could be separated and used to access a highly functionalized [3.2.0] bicyclic structure through reductive cleavage of the N–O bond. These ring-opened products displayed a chemical exchange phenomenon in 1D carbon NMR and required characterization by 2D NMR techniques.

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4

Brown, RFC, KJ Coulston, FW Eastwood, and MP Hill. "Synthesis of Precursors Suitable for Pyrolytic Fragmentation to Pentatetraenone." Australian Journal of Chemistry 41, no. 2 (1988): 215. http://dx.doi.org/10.1071/ch9880215.

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Reaction of 2-phenylselenopropanoyl chloride with methyl ( triphenylphosphoranylidene ) ethanoate yielded methyl 4- phenylselenopenta-2,3-dienoate (3). Distillation of the ester (3) gave dimethyl (E,E)-3′,4′-dimethylcyclobut-3′-ene-1′,2′- diylidenebisethanoate (5) and oxidation of (3) with potassium peroxymonosulfate yielded methyl 2-oxopent-3-ynoate (8). The ester (3) with cyclopentadiene at 160-180° gave a Diels-Alder adduct methyl 3- (1′-phenylselenoethylidene) bicyclo [2.2.1]hept-5-ene-2-carboxylate (4) as a mixture of four isomers. Treatment of the mixture with lithium diisopropylamide an

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5

Mamaghani, Manouchehr, and Alireza Alizadehnia. "Enzyme Catalysed Kinetic Resolution of Racemic Methyl 3-acethylbicyclo [2.2.1] hept-5-ene-2-carboxylate using pig's liver esterase†." Journal of Chemical Research 2002, no. 8 (2002): 386–87. http://dx.doi.org/10.3184/030823402103172400.

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Racemic methyl 3- endo-acetylbicyclo[2.2.1]hept-5-ene-2- exo-carboxylate and methyl 3- exo-acetylbicyclo[2.2.1]hept-5-ene-2- endo-carboxylate were prepared (as a 1:1 mixture in 98% yield) from (E)-methyl 4- oxo-2-pentenoate, using Diels–Alder methodology. The mixture was separated chromatographically and resolved into the enantiomers by pig liver esterase (PLE) with low to high ee's (98%).

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6

Pachuta-Stec, Anna, Urszula Kosikowska, Anna Chodkowska, Monika Pitucha, Anna Malm, and Ewa Jagiełło-Wójtowicz. "Biological Activity of Novel N-Substituted Amides of endo-3- (3-Methylthio-1,2,4-triazol-5-yl)bicyclo[2.2.1]hept-5-ene-2- carboxylic Acid and N-Substituted Amides of 1-(5-Methylthio- 1,2,4-triazol-3-yl)cyclohexane-2-carboxylic Acids." Zeitschrift für Naturforschung C 67, no. 3-4 (2012): 123–28. http://dx.doi.org/10.1515/znc-2012-3-403.

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N-Substituted amides of endo-3-(3-methylthio-1,2,4-triazol-5-yl)bicyclo[2.2.1]hept-5-ene- 2-carboxylic acid and 1-(5-methylthio-1,2,4-triazol-3-yl)cyclohexane-2-carboxylic acid were prepared by the condensation reaction of endo-S-methyl-N1-(bicyclo[2.2.1]hept-5-ene-2,3- dicarbonyl)isothiosemicarbazide and S-methyl-N1-(cyclohexane-2,3-dicarbonyl)isothiosemicarbazide with primary amines. The synthesized compounds were screened for their microbiological and pharmacological activities

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7

Sousa, Carlos A. D., M. Luísa C. Vale, José E. Rodríguez-Borges, and Xerardo Garcia-Mera. "Methyl 2-diphenylphosphoryloxy-2-azabicyclo[2.2.1]hept-5-ene-3-exo-carboxylate." Acta Crystallographica Section E Structure Reports Online 65, no. 1 (2008): o188. http://dx.doi.org/10.1107/s160053680804292x.

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8

Quillian, Brandon, Kennedy Musso, Elizabeth M. Vinson, Joseph G. Bazemore, Allison R. Marks, and Clifford W. Padgett. "Diisoamyl (1R, 4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate." Molbank 2024, no. 3 (2024): M1852. http://dx.doi.org/10.3390/m1852.

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Diisoamyl (1R,4S)-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate (2) was prepared by reacting exo-7-oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride (1) with isoamyl alcohol in the presence of a sulfuric acid catalyst under sonication conditions. Compound 2 was characterized by 1H, 13C NMR, DEPT-135, infrared, and UV-vis spectroscopy. Gas chromatography–mass spectrometry, elemental analysis, and melting point determination were used to assess purity. The structure of compound 2 was also determined by single-crystal X-ray diffraction. It crystallizes in the monoclinic space group P21/c (

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9

Steinmetz, Mark G., Qing Chen, and Yan Zheng. "The exploratory far-UV photochemistry of 1-methyl-1-silabicyclo[2.2.1]hept-2-ene and 2-trimethylsilylbicyclo[2.2.1]hept-2-ene." Journal of Organometallic Chemistry 516, no. 1-2 (1996): 25–40. http://dx.doi.org/10.1016/0022-328x(95)06087-d.

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10

Bulanov, M. N., S. E. Sosonyuk, and N. V. Zyk. "ChemInform Abstract: Addition of Bromine to 2-Methyl-2-azabicyclo[2.2.1]hept-5-ene." ChemInform 33, no. 1 (2010): no. http://dx.doi.org/10.1002/chin.200201150.

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11

Liu, Qi Mei, та Wan Xi Peng. "80°С-Based TD-GC/MS Analysis of Chemical Components from Branches of Cinnamomum camphora". Key Engineering Materials 480-481 (червень 2011): 466–71. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.466.

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The analytical result by 80°С-based TD-GC/MS showed that 65 peaks were obtained from the helium volatiles from the fresh branches of Cinnamomum camphora and 60 chemical compounds were identified. The results showed that the main components were as: 1,3-Benzodioxole, 5-(2-propenyl)- (12.629%), Tricyclo[2.2.1.0(2,6)]heptane, 1,7-dimethyl-7-(4-methyl-3-pentenyl)-, (-)- (10.302%), 3-Cyclohexene-1-methanol, .alpha.,.alpha.4-trimethyl- (9.084%), Bicyclo[2.2.1] heptan-2-one, 1,7,7-trimethyl-, (1R)- (7.406%), Nerolidol (6.695%), Bicyclo[2.2.1]heptane, 2-methyl-3-methylene-2-(4-methyl-3-pentenyl)-, (1S

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12

STEINMETZ, M. G., Q. CHEN, and Y. ZHENG. "ChemInform Abstract: The Exploratory Far-UV Photochemistry of 1-Methyl-1-silabicyclo(2.2.1) hept-2-ene and 2-Trimethylsilylbicyclo(2.2.1)hept-2-ene." ChemInform 27, no. 42 (2010): no. http://dx.doi.org/10.1002/chin.199642054.

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13

Schitter, Regina M. E., Thomas Steinhäusler, and Franz Stelzer. "Ring opening metathesis polymerization of methyl-N-(1-phenylethyl)-2-azabicyclo[2.2.1]hept-5-ene-3-carboxylate." Journal of Molecular Catalysis A: Chemical 115, no. 1 (1997): 11–20. http://dx.doi.org/10.1016/s1381-1169(96)00081-7.

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14

Hamilton, James G., Kenneth J. Ivin, and John J. Rooney. "Ring-opening polymerization of 1 -ethylbicyclo[2.2.1] hept-2-ene." British Polymer Journal 20, no. 2 (1988): 91–95. http://dx.doi.org/10.1002/pi.4980200202.

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15

Cox, Caroline D., and John R. Malpass. "Synthesis of epibatidine isomers: Reductive Heck coupling of 2-azabicyclo[2.2.1]hept-5-ene derivatives." Tetrahedron 55, no. 40 (1999): 11879–88. http://dx.doi.org/10.1016/s0040-4020(99)00675-4.

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16

Hřebabecký, Hubert, Martin Dračínský, and Antonín Holý. "Synthesis of Novel Carbocyclic Nucleosides and Pro-Tides Derived from 4-Oxatricyclo[4.2.1.03,7]nonane-9-methanol." Collection of Czechoslovak Chemical Communications 72, no. 10 (2007): 1331–49. http://dx.doi.org/10.1135/cccc20071331.

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(1R*,2R*,3R*,6R*,7S*)-2-Amino-4-oxatricyclo[4.2.1.03,7]nonane-9-methanol (9) was prepared from (1R*,2R*,3R*,4S*)-bicyclo[2.2.1]hept-5-ene-2,3-dimethanol by treatment with benzyl azidoformate followed by hydrogenolysis. The amine9was transformed to thymine and purine nucleoside analogues. The prepared analogues were converted to corresponding Pro-Tides by treatment with methylN-[chloro(phenoxy)phosphoryl]-L-alaninate in the presence of 1-methylimidazole ortert-butylmagnesium chloride.

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17

Mammadbayli, E. H., and V. H. Babayeva. "INVESTIGATION OF FUNGICIDAL PROPERTIES OF HEXYL BROMIDE COMPLEX OF N'-(2,2-BITCYCLO[2.2.1]HEPT-5-EN-2-YL-4,5-DIHYDRO-1-H-IMIDAZOLIN-1- YLETHYL)ETHANE-1,2-DIAMINE AS ANTIMICROBIAL ADDITIVE TO LUBRICANTCOOLANT FLUIDS." Chemical Problems 22, no. 2 (2024): 168–76. http://dx.doi.org/10.32737/2221-8688-2024-2-168-176.

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The results of a study of the antifungal properties of an imidazoline hexyl bromide complex obtained on the basis of bicyclo[2.2.1]hept-5-ene-2-carboxylic acid and triethylenetetraamine as an additive to cutting fluids are presented. First, imidazoline was obtained by reacting norbornene carboxylic acid with triethylene tetraamine. In the next step, imidazoline was reacted with hexyl bromide to obtain its alkyl halide complex. The physicochemical properties of the resulting complex were determined, and its composition and structure were confirmed by IR spectroscopy. The complex has been tested

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18

Kasyan, Andrey, Christoph Wagner, and Martin E. Maier. "Regiochemistry of the reductive Heck coupling of 2-azabicyclo[2.2.1]hept-5-ene. Synthesis of epibatidine analogues." Tetrahedron 54, no. 28 (1998): 8047–54. http://dx.doi.org/10.1016/s0040-4020(98)00443-8.

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19

Werstiuk, Nick Henry, and Wojciech Sokol. "Density functional theory computational study on Diels–Alder reactions of cyclopentadiene with selected vinylsilanes and methylenecyclopropane." Canadian Journal of Chemistry 89, no. 3 (2011): 409–14. http://dx.doi.org/10.1139/v10-167.

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Aimed at predicting relative reactivities, density functional theory (DFT) calculations were carried out on a series of Diels–Alder reactions involving silylvinyl derivatives reacting with cyclopentadiene as part of a synthetic research project. Using three reactions for which experimental rate data are available to calibrate our calculations, we computationally pinpointed the best synthetic route to bicyclo[2.2.1]hept-5-ene-2,2-diylbis(trimethylsilane) (1). The synthesis begins with the Diels–Alder reaction of cyclopentadiene (2) with commercially available (1-bromovinyl)trimethylsilane (6).

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20

Hřebabecký, Hubert, Milena Masojídková, Martin Dračínský, and Antonín Holý. "Synthesis of Novel Conformationally Locked Carbocyclic Nucleosides Derived from 3-(Hydroxymethyl)bicyclo[2.2.1]heptane-2,5-diol." Collection of Czechoslovak Chemical Communications 71, no. 6 (2006): 871–88. http://dx.doi.org/10.1135/cccc20060871.

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(1R*,2R*,3R*,4R*,5R*,6S*)-3-Amino-5-(benzyloxy)-6-(hydroxymethyl)bicyclo[2.2.1]heptan-2-ol (18) was prepared in seven easy steps from benzyl (1R*,2S*,3S*,4S*)-3-(benzyloxy)bicyclo[2.2.1]hept-5-ene-2-carboxylate (10). Reaction of amine18with ethylN-((2E)-3-ethoxymethacryloyl)carbamate afforded 1-[(1R*,2R*,3R*,4R*,5S*,6R*)-6-(benzyloxy)-3-hydroxy-5- (hydroxymethyl)bicyclo[2.2.1]heptan-2-yl]-5-methylpyrimidine-2,4(1H,3H)-dione (21) and after deprotection by transfer hydrogenation, free thymine analogue22. The thymine derivative21was converted to 2,3'-anhydronucleoside26. Treatment of the benzyl d

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21

Liu, Qi Mei, Dang Quan Zhang, Kuan Peng та Wan Xi Peng. "Deep Analysis on Bioindustry Prospects of 40°С Volatiles of Cinnamomum camphora Branches". Key Engineering Materials 480-481 (червень 2011): 266–71. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.266.

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Cinnamomum camphora has been used to heal some specific diseases in the Chinese Folk for a long time. In order to explore the wide utilization in biomedicine and spicery, the chemical components of helium volatiles from the fresh branches of C. camphora were studied by TD-GC/MS. The analytical result by TD-GC/MS showed that 50 peaks were obtained from the helium volatiles from the fresh branches of C. camphora and 46 chemical compounds representing 99.993% of the total areas were identified. The results showed that the main components were as: Bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-, (1R)

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22

Wang, J. C., C. H. Sun, T. J. Chow та L. K. Liu. "Structure of dicarbonylbis(η2-dimethyl 7-acetyl-7-azabicyclo[2.2.1]hept-2-ene-2,3-dicarboxylate-κN)molybdenum(0)". Acta Crystallographica Section C Crystal Structure Communications 47, № 11 (1991): 2459–61. http://dx.doi.org/10.1107/s0108270191007217.

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23

Tang, Chao, Li Cai, Shuai Liu, et al. "Crystal structure of tebipenem pivoxil." Acta Crystallographica Section E Crystallographic Communications 74, no. 9 (2018): 1215–17. http://dx.doi.org/10.1107/s2056989018010770.

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The molecular structure of the first orally active carbapenem antibacterial agent, tebipenem pivoxil (systematic name: (2,2-dimethylpropanoyloxy)methyl (4R,5S,6S)-3-{[1-(4,5-dihydro-1,3-thiazol-2-yl)azetidin-3-yl]sulfanyl}-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate), C22H31N3O6S2, has been determined and the configurations of the four chiral centers validated. The title compound crystallizes in the triclinic space group P1 with one molecule in the unit cell. Three out of the four rings adopt planar conformations while the thiazolinyl ring adopts an envel

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24

Li, Jian. "Benzothiazol-2-amine–3-methoxycarbonyl-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid (1/1)." Acta Crystallographica Section E Structure Reports Online 67, no. 1 (2010): o199. http://dx.doi.org/10.1107/s1600536810052542.

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25

Fišera, Lubor, Vladimír Ondruš, and Hans-Joachim Timpe. "Derivatives of tetrahydro-2H-pyridine from photorearranged cycloadducts of nitrile oxides." Collection of Czechoslovak Chemical Communications 55, no. 2 (1990): 512–23. http://dx.doi.org/10.1135/cccc19900512.

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1,3-Dipolar cycloaddition of methoxycarbonylnitrile, furannitrile and substituted benzene nitrile oxides (X = 4-CH3, 4-OCH3, 3-OCH3, 4-Cl, 3-Cl, 2,4-diCl, 4-F) to dimethyl 7-(diphenylmethylene)bicyclo[2.2.1]hept-2-ene-5,6-dicarboxylate (XII) led exclusively to exo cycloadducts IV, on irradiation with a low-pressure mercury lamp afforded the required 4-substituted derivatives of dimethyl 2,2-diphenyl-5-formyl-3-azabicyclo[4.3.0]nona-4,9-diene-7,8-dicarboxylate (XI) as sole products. Selectivity of the photorearrangement of isoxazolines IV to enaminoaldehydes XI is due to a stabilization of the

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26

Jäger, Martin, Kurt Polborn, and Wolfgang Steglich. "On-site modification of oligopeptides: Conversion of seryl into (exo)-2-azabicyclo[2.2.1]hept-5-ene-3-carbonyl residues." Tetrahedron Letters 36, no. 6 (1995): 861–64. http://dx.doi.org/10.1016/0040-4039(94)02432-b.

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27

KASYAN, A., C. WAGNER, and M. E. MAIER. "ChemInform Abstract: Regiochemistry of the Reductive Heck Coupling of 2-Azabicyclo[2.2.1]hept-5-ene. Synthesis of Epibatidine Analogues." ChemInform 29, no. 43 (2010): no. http://dx.doi.org/10.1002/chin.199843245.

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28

Yang, Ying-Qun, Wei Li, Zhi-Min Chen, and Li-Xia Fu. "Crystal Structure and Properties of a New Copper(II) Complex Cu2(phen)2[C7H8(COO)2]2 (H2O)4:5." Zeitschrift für Naturforschung B 67, no. 9 (2012): 872–76. http://dx.doi.org/10.5560/znb.2012-0097.

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A new complex Cu2(phen)2[C7H8(COO)2]2 (H2O)4:5 (1) has been synthesized, with the dianion of bicyclo[2.2.1] hept-2-ene-5,6-dicarboxylic acid [C7H8(COOH)2] (LH2) and 1,10-phenanthroline (phen) as ligands. In 1, L2- anions link Cu(II) cations to form two binuclear structure units, in which each Cu(II) cation is coordinated by five donor atoms to give a distorted square-pyramidal geometry. The magnetic data of 1 show that it exhibits weak antiferromagnetic properties at low temperature. When the excitation wavelength is at 470 nm, it has an intense photoluminescence. In addition, the cyclovoltamm

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29

Bateson, John H., Alison M. Quinn, and Robert Southgate. "Synthesis of some 4-acyloxy-7-oxo-1-azabicyclo [3.2.0]hept-2-ene-2-carboxylates." Tetrahedron Letters 28, no. 14 (1987): 1561–63. http://dx.doi.org/10.1016/s0040-4039(01)81042-x.

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30

Li, Qing, Dang Quan Zhang, Qi Mei Liu та Kuan Peng. "Determination of Bioactive Components of 60°С Volatiles from Cinnamomum camphora Branches by TD-GC/MS". Advanced Materials Research 230-232 (травень 2011): 852–56. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.852.

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The chemical components of helium volatiles from the fresh branches of Cinnamomum camphora were studied by TD-GC/MS. The analytical result by 60°С-based TD-GC/MS showed that 55 peaks were obtained from the helium volatiles from the fresh branches of Cinnamomum camphora and 53 chemical compounds were identified. The results showed that the main components were as: Bicyclo[2.2.1]heptan-2-one, 1,7,7-trimethyl-, (1R)- (15.4328%), 1,3-Benzodioxole, 5-(2-propenyl)- (14.881%), Tricyclo[2.2.1.0(2,6)]heptane, 1,7-dimethyl-7-(4-methyl-3-pentenyl)-, (-)- (12.694%), p-menth-1-en-8-ol (9.832%), Bicyclo[2.2

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31

Hamilton, James G., Kenneth J. Ivin, and John J. Rooney. "1H n.m.r. spectra of ring-opened polymers of 1-methylbicyclo[2.2.1]hept-2-ene." British Polymer Journal 17, no. 1 (1985): 11–13. http://dx.doi.org/10.1002/pi.4980170103.

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32

Gavrilova, A. Yu, A. V. Kukushkina, M. A. Nechaev, et al. "Regio- and stereochemical regularities of electrophilic halogenation and chalcogenation of ethyl 2-azabicyclo[2.2.1]hept-5-ene-3-carboxylate isomers." Russian Chemical Bulletin 73, no. 3 (2024): 588–605. http://dx.doi.org/10.1007/s11172-024-4169-y.

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33

Bateson, John H., Stephen C. M. Fell, and Robert Southgate. "Synthesis of the 3-acetoxy-7-oxo-1-azabicyclo [3.2.0] hept-2-ene-2-carboxylate system." Tetrahedron Letters 27, no. 49 (1986): 6001–4. http://dx.doi.org/10.1016/s0040-4039(00)85383-6.

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34

Jeong, Hyangsoo, Victor W. L. Ng, Janna Börner, and Richard R. Schrock. "Stereoselective Ring-Opening Metathesis Polymerization (ROMP) of Methyl-N-(1-phenylethyl)-2-azabicyclo[2.2.1]hept-5-ene-3-carboxylate by Molybdenum and Tungsten Initiators." Macromolecules 48, no. 7 (2015): 2006–12. http://dx.doi.org/10.1021/acs.macromol.5b00264.

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35

Watson, W. H., and R. P. Kashyap. "Bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic anhydride (1), C9H6O3, and bicyclo[2.2.1]hept-2-ene-2,3-dicarboxylic anhydride (2), C9H8O3." Acta Crystallographica Section C Crystal Structure Communications 41, no. 8 (1985): 1226–29. http://dx.doi.org/10.1107/s0108270185007223.

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36

Grobe, Joseph, Duc Le Van, Susanne Martin та Jürgen Szameitat. "Reaktive E=C (p-p)π-System e, XXX. Darstellung und Reaktivität der Fluorphosphaalkene Me2N -P = CF2 und Me2N -P = C(F)CF3 / Reactive E = C (p -p )π-Systems, XXX. Synthesis and Reactivity of the Fluorophosphaalkenes Me2N - P = CF2 and Me2N - P = C(F)CF3". Zeitschrift für Naturforschung B 47, № 3 (1992): 321–28. http://dx.doi.org/10.1515/znb-1992-0304.

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Gas phase thermolyses of the stannylphosphanes Me3SnP(CF3)NMe2(3) and Me3SnP(C2F5)NMe2 (4) yield the novel amino substituted fluorophosphaalkenes Me2N -P = CF2 (1) (10 to 15% yield) and Me2N - P = C(F)CF3 (2) (90% yield), respectively. In contrast to other derivatives, 1 cannot be prepared by the reaction of the secondary phosphane Me2NP(H)CF3 (9) with secondary or tertiary amines or KOH. 1 and 2 are labile compounds which undergo quick oligomerization above 0 °C to (Me2NPCF2)n and (Me2NPCFCF3)n, respectively. By thermal degradation of (Me2NPCF2)n at 500 to 600 °C the trans- 1 ,3-diphosphetane

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37

Brown, RFC, KJ Coulston, FW Eastwood, MJ Irvine, and ADE Pullin. "Argon Matrix Infrared Spectroscopic Evidence for the Generation of Pentatetraenone by Flash Pyrolysis of Suitable Precursors." Australian Journal of Chemistry 41, no. 2 (1988): 225. http://dx.doi.org/10.1071/ch9880225.

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Five compounds were investigated as precursors for the pyrolytic generation of pentatetraenone, H2C=C=C=C=C=O. These were (1)-(4): 3- ethenylidenebicyclo [2.2.1]hept-5-ene with the following 2,2 substituents : H, COOCOCF3 (1); H, 13COOCOCF3 (1′); (COOCOCF3)2 (2); (COO)2C(CH3)(OCH3) (3); (COO)2Si(CH3)2 (4) and 5-(3′- methylenebicyclo [2.2.1]hept-5′-en-2′-ylidene)-2,2-dimethyl-1,3-dioxan-4,6-dione (5). The five precursors were pyrolysed in a stream of argon at temperatures in the range 350-725°C and the pyrolysate -argon mixture condensed on a CsI plate at c. 10 K. Infrared spectra were obtained

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Haas, Alois, and Michael Spehr. "Synthese neuer perfluorierter Selenocarbonylverbindungen und 1,3-Diselenetane." CHIMIA 42, no. 7-8 (1988): 265. https://doi.org/10.2533/chimia.1988.265.

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Reacting Hg(SeC2F5)2 with AlI3 or (C2H5)2AlI in octamethylcyclotetrasiloxane at 40-45 °C and 5∙10-3 Torr gives trifluoromethylselenocarbonylfluoride (1). The deep purple product polymerizes at low temperatures to a white solid, which after pyrolysis leads to a mixture of 1 and cis/trans-2,4-difluoro-2,4-bis(trifluoromethyl)-1,3-diselenetane (2a, 2b). The two isomers 2a and 2b are separated by preparative gas chromatography. Reaction of Hg(SeCF3)2 under the same conditions provides (trifluoromethyl-seleno)selenocarbonylfluoride (3) as a byproduct of F2CSe. Exposing to the sunlight 3 dimerizes w

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39

Saf, R., R. Schitter, C. Mirtl, F. Stelzer, and K. Hummel. "Electrospray Ionization Mass Spectrometry Investigation of Oligomers Prepared by Ring-Opening Metathesis Polymerization of MethylN-(1-Phenylethyl)-2-azabicyclo[2.2.1]hept-5-ene-3-carboxylate." Macromolecules 29, no. 24 (1996): 7651–56. http://dx.doi.org/10.1021/ma960415y.

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Reddy, U. Chandrasekhar, and Muraleedharan K. Manheri. "1‐Hydroxymethyl‐7‐oxabicyclo[2.2.1]hept‐2‐ene skeleton in enantiopure form through enzymatic kinetic resolution." Chirality 31, no. 4 (2019): 336–47. http://dx.doi.org/10.1002/chir.23060.

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41

Brieaddy, Lawrence E., Feng Liang, Philip Abraham, Jeffrey R. Lee, and F. Ivy Carroll. "New synthesis of 7-(tert-butoxycarbonyl)-7-azabicyclo[2.2.1]hept-2-ene. A key intermediate in the synthesis of epibatidine and analogs." Tetrahedron Letters 39, no. 30 (1998): 5321–22. http://dx.doi.org/10.1016/s0040-4039(98)01077-6.

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42

Zhang, Cong, Yanyan Zhu, Donghui Wei, Dongzhen Sun, Wenjing Zhang, and Mingsheng Tang. "Theoretical Study on the Reaction Mechanism between 6-Benzyl-6-azabicyclo[2.2.1]hept-2-ene and Benzoyl Isocyanate to Urea and Isourea." Journal of Physical Chemistry A 114, no. 8 (2010): 2913–19. http://dx.doi.org/10.1021/jp910173d.

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Gómez-Sánchez, Elena, Elena Soriano, and José Marco-Contelles. "Synthesis of Heterocyclic Analogues of Epibatidine via 7-Azabicyclo[2.2.1]hept-2-yl Radical Intermediates. 1. Intermolecular Reactions." Journal of Organic Chemistry 73, no. 17 (2008): 6784–92. http://dx.doi.org/10.1021/jo8011094.

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Budarina, O. V., L. A. Fedotova, Z. V. Shipulina, and Т. D. Potapchenko. "JUSTIFICATION OF MAXIMUM SINGEL ALLOWABLE CONCENTRATIONS OF 1-METHYL-4-ISOPROPENYLCYCLOHEX-1-ENE (LIMONENE), 3,7,7-TRIMETHYLBICYCLO[4.1.0]HEPT-2-ENE (3-CARENE) AND 2,2-DIMETHYL-3-METHYLENEBICYCLO[2.2.1]HEPTANE (CAMPHENE) IN AMBIENT AIR." Toxicological Review, no. 1 (February 24, 2020): 39–44. http://dx.doi.org/10.36946/0869-7922-2020-1-39-44.

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This paper presents the results of the experimental studies on justification of the maximum single allowable concentrations (MAC) of 1-methyl-4-isopropenylcyclohex-1-ene (limonene), 3,7,7-trimethylbicyclo[4.1.0]hept-2-ene (3-carene), and 2,2-dimethyl-3-methylenebicyclo[2.2.1]heptane (camphene) in the air of urban and rural settlements. The research has been carried out in accordance with the current methodology for determining the odor thresholds of substances using modern olfactometric equipment (dynamic olfactometer) and highly sensitive methods for identifying chemical components (chromatog

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Aragao, Valquiria, Mauricio Constantino, Adilson Beatriz, and Gil José da Silva. "Synthesis of 1-Methyl-3-oxo-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic Acid Methyl Ester." Molecules 10, no. 11 (2005): 1413–18. http://dx.doi.org/10.3390/10111413.

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Keller, Daphne E., Huub Kooijman, Antoine M. M. Scheurs, Jan Kroon, and Eugeniusz Grech. "(8-Dimethylamino-1-naphthyl)dimethylammonium 3-carboxy-1,4,5,-6,7,7-hexachlorobicyclo[2.2.1]hept-5-ene-2-carboxylate hydrate." Acta Crystallographica Section C Crystal Structure Communications 56, no. 4 (2000): 479–80. http://dx.doi.org/10.1107/s0108270100000664.

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Hocking, Martin B., and Gordon W. Bushnell. "Structure and stereochemistry of a 7-phosphabicyclo[2.2.1]hept-2-ene-7-oxide from X-ray, multinuclear NMR, and 2D-J resolved NMR studies." Canadian Journal of Chemistry 68, no. 7 (1990): 1020–28. http://dx.doi.org/10.1139/v90-159.

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Preparations of a 7-phosphanorbornene, from the reaction of 1,2,5-triphenylphosphole-1-oxide with inhibited acrylonitrile in benzene, were repeated under various conditions to determine if one, or more than one, stereoisomer was formed. Adduct formation failed to occur when the reaction was attempted in ethanol, or when the precursor 1,2,5-triphenylphosphole was substituted for the phosphole oxide. Elemental analysis and spectroscopic measurements confirmed that a 1:1 adduct had been obtained, and an X-ray structure determination of the ethanol complex established that this was 5-cyano-1,4,7-t

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Fun, Hoong-Kun, Jia Hao Goh, Haitao Yu, and Yan Zhang. "2′-Methyl-3,5-diphenylspiro[4,6-dioxa-2-azabicyclo[3.2.0]hept-2-ene-7,4′-isoquinoline]-1′,3′(2′H,4′H)-dione." Acta Crystallographica Section E Structure Reports Online 66, no. 4 (2010): o803—o804. http://dx.doi.org/10.1107/s1600536810008718.

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Hursthouse, Michael B., K. M. Abdul Malik, David E. Hibbs, et al. "Reactions of ethyl 2-acetyl-2-azabicyclo[2.2.1]hept-5-ene-3-carboxylate and 4-acetylamino-2-oxabicyclo[3.3.0]oct-7-en-3-one with some electrophiles." J. Chem. Soc., Perkin Trans. 1, no. 19 (1995): 2419–25. http://dx.doi.org/10.1039/p19950002419.

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BRIEADDY, L. E., F. LIANG, P. ABRAHAM, J. R. LEE, and F. I. CARROLL. "ChemInform Abstract: New Synthesis of 7-(tert-Butoxycarbonyl)-7-azabicyclo[2.2.1]hept-2-ene. A Key Intermediate in the Synthesis of Epibatidine and Analogues." ChemInform 29, no. 42 (2010): no. http://dx.doi.org/10.1002/chin.199842214.

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