Academic literature on the topic 'Bicyclo[4.1.0]heptane'

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Journal articles on the topic "Bicyclo[4.1.0]heptane"

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Saunders, James, Chris Adamson, Yumeela Ganga-Sah, Andrew R. Lewis, and Andrew J. Bennet. "Rearrangement and nucleophilic trapping of bicyclo[4.1.0]hept-2-yl derived nonclassical bicyclobutenium ions." Canadian Journal of Chemistry 96, no. 2 (2018): 235–40. http://dx.doi.org/10.1139/cjc-2017-0569.

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Here we describe the synthesis of two specifically labelled 13C isotopologues of cis-2-(4-nitrophenoxy)bicyclo[4.1.0]heptane and their solvolysis reactions in trifluoroethanol. By using one- and two-dimensional 1H- and 13C-NMR spectroscopy, we characterized the pathways for the rearrangement of these isotopologues to give 13C-labelled 4-(2,2,2-trifluoroethoxy)cycloheptene. We show that the initially formed cationic intermediate undergoes a degenerate rearrangement, which does not reach equilibrium before nucleophilic capture of the cation. Moreover, we show that the nonclassical carbocation, c
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Parsons, E. J., and P. W. Jennings. "Platinacyclobutane chemistry: cis-disubstituted platinacyclobutane complex from bicyclo[4.1.0]heptane." Organometallics 7, no. 6 (1988): 1435–37. http://dx.doi.org/10.1021/om00096a032.

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Kazakova, �. Kh, L. N. Surkova, R. R. Shagidullin, S. V. Andreeva, G. Sh Bikbulatova, and A. N. Vereshchagin. "Conformation of trans-2-chlorohexanol and bicyclo[4.1.0]heptane halohydrins." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 35, no. 6 (1986): 1159–62. http://dx.doi.org/10.1007/bf00956587.

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Domı́nguez-Pérez, Beatriz, Éric Ferrer, Marta Figueredo, et al. "Synthesis of Novel Nucleoside Analogues Built on a Bicyclo[4.1.0]heptane Scaffold." Journal of Organic Chemistry 80, no. 19 (2015): 9495–505. http://dx.doi.org/10.1021/acs.joc.5b01413.

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SAKAI, Jun-ichi, Koji ISOGAI, Katsuya WATANABE, Kazue IKARASHI, Takashi HURUKAWA, and Hiroyuki KANAI. "Catalytic Hydrogenolysis of endo/exo-Amino- or Dimethylamino-substituted Bicyclo(3.1.0)hexane and Bicyclo(4.1.0)heptane." NIPPON KAGAKU KAISHI, no. 6 (1991): 741–47. http://dx.doi.org/10.1246/nikkashi.1991.741.

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Adachi, Hiroyuki, Akiyoshi Ueda, Toshio Aihara, Kazuyuki Tomida, Takashi Kawana, and Hideo Hosaka. "Synthesis of new bicyclo[4.1.0]heptane-2,4-dione derivatives and their herbicidal activity." Journal of Pesticide Science 32, no. 2 (2007): 112–19. http://dx.doi.org/10.1584/jpestics.g06-30.

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Su, Jing, Haiqun Tang, Brian A. McKittrick, et al. "Synthesis of novel bicyclo[4.1.0]heptane and bicyclo[3.1.0]hexane derivatives as melanin-concentrating hormone receptor R1 antagonists." Bioorganic & Medicinal Chemistry Letters 17, no. 17 (2007): 4845–50. http://dx.doi.org/10.1016/j.bmcl.2007.06.048.

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Collis, Gavin E., Dylan Jayatilaka, and Dieter Wege. "Cyclopropa-Fused Quinones. The Generation and Trapping of Bicyclo[4.1.0]hepta-1(6),3-diene-2,5-dione and 1H-Cyclopropa[b]naphthalene-2,7-dione." Australian Journal of Chemistry 50, no. 5 (1997): 505. http://dx.doi.org/10.1071/c96204.

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The title compounds (3) and (4) have been generated at low temperature by debromosilylation of 1-bromo-6-trimethylsilylbicyclo[4.1.0]hept-3-ene-2,5-dione (23) and 1a-bromo-7a-trimethylsilyl-1a,7a-dihydro-1H-cyclopropa[b]naphthalene-2,7-dione (38) respectively. Both cyclopropa-fused quinones are reactive but each could be trapped with furan to give a pair of cycloadducts, which were remarkably resistant to cycloreversion. In the absence of added trapping agent, the cyclopropanaphthoquinone (4) was intercepted by fluoride ion to give 1a-fluoro-1a,7a-dihydro-1H-cyclopropa[b]naphthalene-2,7-dione
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Crombie, Leslie, and Candida E. C. Fernando (née Lord). "The Heterogeneous Catalytic Hydrogenation of Cumulated Allene-cyclopropanes: 1-(2′-Methylpropenylidene)-7-bicyclo[4.1.0]heptane." Journal of Chemical Research, no. 7 (1998): 364–65. http://dx.doi.org/10.1039/a802162g.

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Dookhun, Veedeeta, and Andrew J. Bennet. "Synthesis and biological evaluation of a bicyclo[4.1.0]heptyl analogue of glucose-1-phosphate." Canadian Journal of Chemistry 82, no. 9 (2004): 1361–64. http://dx.doi.org/10.1139/v04-109.

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The synthesis of a bicyclo[4.1.0]heptyl analogue of glucose-1-phophate, (1R,2R,3S,4S,5S,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)-bicyclo[4.1.0]heptan-2-yl dihydrogen phosphate (5) is reported. The synthetic route chosen started with methyl α-D-glucopyranoside and was accomplished in 11 steps with an overall yield of 3%. Compound 5 was tested as a potential substrate of UTP:α-D-glucose-1-phosphate uridylyltransferase, the enzyme that converts glucose-1-phosphate into UDP-glucose. However, the conformationally restricted glucose-1-phosphate analogue 5 was found to be a weakly binding inhibitor, ra
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Dissertations / Theses on the topic "Bicyclo[4.1.0]heptane"

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Jurado, Moreno Sergio. "Stereoselective Synthesis of Conformationally Restricted Cyclohexanyl Nucleoside Analogues." Doctoral thesis, Universitat Autònoma de Barcelona, 2020. http://hdl.handle.net/10803/670584.

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En les darreres dècades, l’ús d’anàlegs de nucleòsids (ANs) ha despertat un gran interès de recerca per a la teràpia antiviral i anticancerigen. La conformació i el plegament de la unitat de sucre dels nucleòsids tenen un paper crític en la modulació de la seva activitat biològica. En aquest context, s’han dissenyat i sintetitzat nous anàlegs de carbanucleòsids (ACNs) restringits conformacionalment per imitar el comportament conformacional de l’anell de furanosa natural. Els nucleòsids ciclohexenílics són un tipus prometedor de compostos antivirals, en què la substitució de l’àtom d’oxigen de
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Jung, Céline. "Etude des équilibrations et de la solvatation d'alcools épimères dans la série du bicyclo[2.2.1]heptane." Doctoral thesis, Universite Libre de Bruxelles, 1986. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213553.

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Karimiahmadabadi, Mansoureh. "Novel Pentofuranose Chemistry to Modulate RNA Function." Doctoral thesis, Uppsala universitet, Kemisk biologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-233898.

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Chemical modifications of oligonucleotides provide an important tool to understand how the natural substrate works as well as how to improve their biochemical and biological properties as potential therapeutics and diagnostics. Our carba-LNA (2',4'-carba-bridged Locked Nucleic Acid) modified oligo-DNA or -RNA have been found to be useful to modulate oligo-RNA and -DNA activity. This thesis is based on four papers: Paper I (J. Org. Chem. 2010, 75, 7112-7128) deals with the synthesis of 2',4'-propylene-bridged (Carba-ENA) thymidine and its analogues. These carba-ENA nucleosides have been subsequ
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Aziz, Mostafa. "Synthèse de produits naturels et des racémiques correspondants comportant le squelette du trimethyl-1,3,3 oxa-7 bicyclo (2. 2. 1) heptane." Le Mans, 1987. http://www.theses.fr/1987LEMA1030.

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On examine deux approches synthetiques. La premiere voie met a profit le rearrangement en milieu acide de derives selenies obtenus au depart du geraniol. Les seleno-alcools obtenus sont transformes en bicycloethers cherche par deux voies distinctes. Cependant cette voie mene aux derives de type endo qui ne sont pas de type naturel. La seconde approche se rapporte au rearrangement des epoxydes terminaux par emploi des acides de lewis, tel sncl::(4) le plus adapte aux isomerisations souhaitees. Apres avoir mis au point cette sequence, le travail se divise en deux directions: recherche d'une voie
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DESPEYROUX, DOMINIQUE. "Etude de la de la substitution nucleophile des alcools et derives du bicyclo 1,2,2 heptane-2-ol sous ionisation chimique a l'ammoniac." Paris 6, 1990. http://www.theses.fr/1990PA066108.

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Nous reportons dans ce manuscrit une etude de la substitution nucleophile (sn) des diastereoisomeres endo et exo du bicyclo-(1,2,2) heptane-2 ol et de ses derives acetates, benzoates et benzoates parasubstitues, induit sous ionisation chimique a l'ammoniac dans la source haute pression d'un spectrometre de masse triplequadrupolaire. Les mecanismes de substitution nucleophile sont determines en comparant les spectres cad des ions de substitution nucleophile m#sh#+ avec ceux des ions de protonation mh#+ des amines de stereochimie correspondantes obtenues par synthese. Nous avons ainsi pu definir
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Labsch, Stephan Andreas [Verfasser]. "Stereospezifität der Au(I)-katalysierten Reaktion von 1-Alkinyl-bicyclo[4.1.0]-heptan-2-onen mit Nucleophilen und Studien zur Synthese von Patulin mittels Cyclocarbonylierung / Stephan Andreas Labsch." München : Verlag Dr. Hut, 2011. http://d-nb.info/1018983058/34.

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ARNEY, BENNY ERVIN JR. "PREPARATION OF A NEW CYCLOPROPARENE SYNTHON, 1-BROMO-2-CHLOROCYCLOPROPENE, AND STUDIES ON THE SYNTHESIS AND PROPERTIES OF BICYCLO(4.1.0)HEPT-1,6-ENE AND BICYCLO(4.1.0)HEPT-1,7-ENE." Thesis, 1986. http://hdl.handle.net/1911/15948.

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1-Bromo-2-chlorocyclopropene (BCC) was prepared by treating 1-bromo-2,2-dichlorocyclopropyltrimethylsilane with tetrabutylam- monium fluoride in tetrahydrofuran at -20(DEGREES)C. Diels-Alder reactions of BCC with 1,3-dienes provide 1,6-dihalobicyclo 4.1.0 hept-3-enes which can be treated with potassium tert-butoxide in tetrahydro- furan to give the corresponding cycloproparenes. This approach was used successfully to prepare benzocyclopropene, 1H-cyclo- prop b anthracene, bis-cyclobutabenzocyclopropene, bis-cyclo- pentabenzocyclopropene, and 1H-2,3,4,5,6,7,8,9-octahydrocyclo- propa 1 phenanthr
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Lo, Yao-Pin, and 羅耀聘. "Synthesis of bicyclo[4.1.0]heptenone systems from 2-methoxyphenols: Entry to tropolone derivatives." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/13518452452331987823.

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碩士<br>國立清華大學<br>化學系<br>95<br>Abstract This thesis deals with the synthesis of bicyclo[4.1.0]heptenone systems 39a~i via cyclopropanation reaction of masked o-benzoquinones (MOBs) 34a~i and the subsequent transformation of the obtained bicyclic compounds to corresponding substituted tropolones 40, 81. Initially a set of stable and isolable MOBs bearing different substitution patterns were prepared. Dimethylsulfoxonium methylide 38 commonly known as Corey-Chaykovsky reagent (CCR) a well-known methylene transfer agent is employed for cyclopropanation reaction of MOBs to furnish bicyclo[4.1.0]hep
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Edwards, Raymond L., Derek J. Maitland, Ian J. Scowen, Sousa A. J. T. De, and A. J. S. Whalley. "Metabolites of the Higher Fungi. Part 32. , a phytotoxic bicyclo[4.1.0]hept-3-en-2-one from the fungus Rosellinia necatrix Prill." 2001. http://hdl.handle.net/10454/3661.

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No<br>Rosnecatrone 7 is a phytotoxic metabolite isolated from cultures of a virulent strain of the fungus Rosellinia necatrix. The compound is identified as 5-hydroxy-4-hydroxymethyl-1-(1-hydroxy-3-methylbut-2-enyl)-3-[(E)-propenyl]-7-oxabicyclo[4.1.0]hept-3-en-2-one by chemical and physical methods. The absolute configuration is determined
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Ganzer, George Adam. "The photolysis of matrix isolated 1-azido-bicyclo[2.2.1] heptane ; The reactivity of phenyl halocarbenes with molecular oxygen under matrix isolation conditions." 1987. http://catalog.hathitrust.org/api/volumes/oclc/16017702.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1987.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Book chapters on the topic "Bicyclo[4.1.0]heptane"

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Whitesell, James K., and Mark A. Minton. "Bicyclo[4.1.0]heptanes." In Stereochemical Analysis of Alicyclic Compounds by C-13 NMR Spectroscopy. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3161-9_15.

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Vogt, J. "620 C6H10O 7-Oxabicyclo[4.1.0]heptane." In Asymmetric Top Molecules. Part 3. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14145-4_42.

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Hirota, E., K. Kuchitsu, T. Steimle, J. Vogt, and N. Vogt. "84 C6H10O 7-Oxabicyclo[4.1.0]heptane." In Molecules Containing Three or Four Carbon Atoms and Molecules Containing Five or More Carbon Atoms. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41504-3_215.

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Vogt, J. "621 C6H11ClO 7-Oxabicyclo[4.1.0]heptane - hydrogen chloride (1/1)." In Asymmetric Top Molecules. Part 3. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-14145-4_43.

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Hirota, E., K. Kuchitsu, T. Steimle, J. Vogt, and N. Vogt. "85 C6H11ClO 7-Oxabicyclo[4.1.0]heptane – hydrogen chloride (1/1)." In Molecules Containing Three or Four Carbon Atoms and Molecules Containing Five or More Carbon Atoms. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41504-3_216.

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Winkelmann, J. "Diffusion of 6,6-dimethyl-2-methylene-bicyclo[3.1.1]heptane (1); carbon dioxide (2)." In Gases in Gases, Liquids and their Mixtures. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-49718-9_1308.

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Cibulka, I., J. C. Fontaine, K. Sosnkowska-Kehiaian, and H. V. Kehiaian. "Heat of Mixing and Solution of Heptane C7H16 + C10H18 cis-Bicyclo[4.4.0]decane (HMSD1111, LB4080_H)." In Binary Liquid Systems of Nonelectrolytes II. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-23277-0_153.

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Winkelmann, Jochen. "Diffusion coefficient of 1,7,7-trimethyl-bicyclo[2.2.1]heptane-2,3-dione in 2-hydroxy-benzoic acid phenyl ester." In Diffusion in Gases, Liquids and Electrolytes. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-54089-3_903.

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Kawase, T. "From 7-Bromo-7-(trimethylstannyl)bicyclo[4.1.0]heptane." In Cumulenes and Allenes. Georg Thieme Verlag KG, 2008. http://dx.doi.org/10.1055/sos-sd-044-00343.

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"3,5-Dioxa-1-azabicyclo[4.1.0]heptane to Bicyclo[9.1.0]dodeca-5,6-diene." In Substance Index, edited by Backes, Fröhlich, and Padeken. Georg Thieme Verlag, 2000. http://dx.doi.org/10.1055/b-0035-114005.

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Conference papers on the topic "Bicyclo[4.1.0]heptane"

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Tanase, Constantin, Constantin Draghici, and Miron Theodor Caproiu. "Key Intermediates for introducing a bulky bicyclo[3.3.0]heptane skeleton in the w-side chain to reduce the enzyme inactivation of prostaglandins." In The 24th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2020. http://dx.doi.org/10.3390/ecsoc-24-08390.

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