Academic literature on the topic 'Tetrahydropyrrolo[3'

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Journal articles on the topic "Tetrahydropyrrolo[3"

1

Konopíková, Marta, Lubor Fišera, and Naďa Prónayová. "Synthesis and Fungicidal Activity of Isoxazolines Fused to 3,5-Dichloromaleimide." Collection of Czechoslovak Chemical Communications 57, no. 7 (1992): 1521–36. http://dx.doi.org/10.1135/cccc19921521.

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3-Phenyl-5-(3,5-dichlorophenyl)-3a,4,6,6a-tetrahydropyrrolo[3,4-d]isoxazoles (III, R = H) and 3-phenyl-5-(3,5-dichlorophenyl)-6a-methyl-3a,4,6,6a-tetrahydropyrrolo[3,4-d]isoxazoles (IV, R = CH3) were prepared by 1,3-dipolar cycloaddition of substituted benzonitrile oxides I to N-(3,5-dichlorophenyl)maleimide (I, R = H), or its methyl derivative II (R = CH3). Cycloaddition to compound II (R = CH3) proceeded regiospecifically. Reduction of IVg with NaBH4 was regio- and stereoselective to yield the hydroxylactams VIIg, VIIIg, and IXg. Antifungal activity of several products was worse than that of
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2

Yuan, Chunhao, Leijie Zhou, Zhanhu Sun, and Hongchao Guo. "Phosphine-catalyzed [3 + 2] cycloaddition of phthalazinium dicyanomethanides with allenoates: highly efficient synthesis of 1,2,3,10b-tetrahydropyrrolo[2,1-a]phthalazine derivatives." RSC Advances 6, no. 81 (2016): 77931–36. http://dx.doi.org/10.1039/c6ra13643e.

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The phosphine-catalyzed [3 + 2] cycloaddition has been achieved at room temperature, providing novel heterocyclic compounds, 1,2,3,10b-tetrahydropyrrolo[2,1-a]phthalazine derivatives, as single (Z)-isomers in excellent yields (88–99% yield).
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3

Wang, Bing-Tao, Hua-Dong Yue, Shu-Ping Luo, Li-Ping Wang, and Dan-Qian Xu. "Diphenyl-5,6,7,7a-tetrahydropyrrolo[1,2-c]oxazol-3(1H)-one." Acta Crystallographica Section E Structure Reports Online 63, no. 3 (2007): o1108—o1109. http://dx.doi.org/10.1107/s1600536807004394.

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The title compound, C18H17NO2, synthesized from enantiomerically pure L-proline, methyl chloroformate and a Grignard reagent, crystallizes with two molecules in the asymmetric unit. A chair conformation is adopted by the two fused five-membered rings.
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4

Barker, David, Lisa Pilkington, Natalie Haverkate, Michelle van Rensburg, Johannes Reynisson, and Euphemia Leung. "Synthesis of 3-Amino-2-carboxamide Tetrahydropyrrolo[2,3-b]quinolines." Synlett 27, no. 20 (2016): 2811–14. http://dx.doi.org/10.1055/s-0036-1588619.

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5

Volovenko, Yulian M., Elizaveta V. Resnyanska, and Anton V. Tverdokhlebov. "A Facile Route to the 6-Hetaryl Substituted Pyrrolo[1,2-a]thieno[3,2-e]pyrimidine Derivatives." Collection of Czechoslovak Chemical Communications 67, no. 3 (2002): 365–72. http://dx.doi.org/10.1135/cccc20020365.

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Hitherto unknown 6-hetaryl-4,5,7,8-tetrahydropyrrolo[1,2-a]thieno[3,2-e]pyrimidine-4,7-diones (7a-7g) were prepared by reaction of ethyl 2-aminothiophene-3-carboxylates 5 with 4-chloro-2-hetaryl-3-oxobutanonitriles 4 in DMF at 100 °C. When the same reagents were treated in the presence of triethylamine, a dependence of the reaction pathway on the nature of the hetaryl substituent in chloronitrile component was observed. This was explained in terms of steric factors.
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6

Musgrave, RP, NW Jacobsen, G. Bourne, CHL Kennard, G. Smith, and TCW Mak. "Cycloaddition Reactions of 3-Dimethylamino-1-methyl-1,2,4-triazinium-5-olates With Dimethyl Acetylenedicarboxylate." Australian Journal of Chemistry 48, no. 6 (1995): 1175. http://dx.doi.org/10.1071/ch9951175.

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The cycloaddition reactions of some 3-dimethylamino-1-methyl-1,2,4-triazinium-5-olates (1) with dimethyl acetylenedicarboxylate ( dmad ) were studied. The products in all cases were found tobe dimethyl 4-dimethylamino-1-methyl-6-oxo-1,3a,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-3,3a-dicarboxylate derivatives (2). The structure determinations were carried out by 1H and 13C n.m.r. and mass spectrometry, and for one derivative by single-crystal X-ray diffractometry. The mechanism of the reaction is also discussed.
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7

Elmuradov, Burkhon Zh, Charoskhon E. Makhmadiyarova, Kambarali K. Turgunov, Bakhodir Tashkhodjaev, and Khusnutdin M. Shakhidoyatov. "(4-Nitrophenyl)(1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-3-yl)methanol monohydrate." Acta Crystallographica Section E Structure Reports Online 67, no. 7 (2011): o1680. http://dx.doi.org/10.1107/s1600536811021775.

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8

Barnes, J. C., J. N. Low, J. D. Paton, A. D. Dunn та K. I. Kinnear. "(Z)-3-(α-Hydroxybenzylidene)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-9-one, C18H14N2O2". Acta Crystallographica Section C Crystal Structure Communications 41, № 2 (1985): 282–84. http://dx.doi.org/10.1107/s0108270185003638.

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9

Omelian, Taras V., Alexey V. Dobrydnev, Oleksandr Yu Utchenko, Eugeniy N. Ostapchuk, Irina S. Konovalova, and Yulian M. Volovenko. "The reactivity of tetrahydropyrrolo[1,2-b]isothiazol-3(2H)-one 1,1-dioxides." Monatshefte für Chemie - Chemical Monthly 151, no. 11 (2020): 1759–72. http://dx.doi.org/10.1007/s00706-020-02694-3.

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10

Bremner, JB, BM Eschler, BW Skelton, and AH White. "Photolysis of Vinylogous Chloroacetamides as a Route to Novel Bridged Heterocycles." Australian Journal of Chemistry 47, no. 10 (1994): 1935. http://dx.doi.org/10.1071/ch9941935.

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Photolysis of 1-( chloroacetyl )-8,9-dimethoxy-2,3,5,6-tetrahydropyrrolo[2,1-a] isoquinoline (4a) and 1-( chloroacetyl )-9,10-dimethoxy-3,4,6,7-tetrahydro-2H-benzo[a] quinolizine (4b) in acidified water/ acetonitrile each gave mixtures of two products: 10,11-dimethoxy-1,4,5,6,7,8-hexahydro-3,6-methano-2H-3-benzazecine-7,13-dione (5) plus crude 7,8-dimethoxy-1,2,4,5,9,10-hexahydrobenzo [de] pyrrolo [3,2,1-ij] isoquinoline-9,10-dione (6); and 12-hydroxy-11-methoxy- 1,2,4,5,6,7,8,9-octahydro-3,7-methano-3-benzazacycloundecine-8,14-dione (7) and 8,9-dimethoxy-2,3,5,6,10,11-hexahydro-1H-benzo[de] p
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