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Results 1 to 25 of 1168

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A versatile regio- and stereospecific annulation method. II: Formation of substituted five- or six-membered ring systems by acidic fragmentation of 1-ethoxy-2-oxatricyclo[,8]nonan-7-one derivativesBÖHM, K; GÖSSINGER, E; MÜLLER, R et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1391-1408, issn 0040-4020, 18 p.Article

Mechanistic implications of photoannelation reaction of 4,4-dimethyl-cyclohex-2-ene-1-one and acrylonitrile-regio and stereochemistry of the major photoadduct by 1H and 13C NMR spectroscopySWAPNA, G. V. T; LAKSHMI, A. B; JAMPANI MADHUSUDANA RAO et al.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 6, pp 1777-1782, issn 0040-4020, 6 p.Article

A versatile regio- and stereospecific annulation method. I: Preparation of 1-ethoxy-oxatricyclo[,8]nonan-7-one dimethylketals and homologue systemsGÖSSINGER, E; MÜLLER, R.Tetrahedron (Oxford. Print). 1989, Vol 45, Num 5, pp 1377-1390, issn 0040-4020, 14 p.Article

Reduction of bowl-shaped hydrocarbons : Dianions and tetraanions of annelated corannulenesAPRAHAMIAN, Ivan; PREDA, Dorin V; BANCU, Mihail et al.Journal of organic chemistry. 2006, Vol 71, Num 1, pp 290-298, issn 0022-3263, 9 p.Article

Radical [n + 1] annulations with sulfur dioxideTSIMELZON, Anna; BRASLAU, Rebecca.Journal of organic chemistry. 2005, Vol 70, Num 26, pp 10854-10859, issn 0022-3263, 6 p.Article

[5C + 1S] annulation : A facile and efficient synthetic route toward functionalized 2,3-dihydrothiopyran-4-onesXIHE BI; DEWEN DONG; YAN LI et al.Journal of organic chemistry. 2005, Vol 70, Num 26, pp 10886-10889, issn 0022-3263, 4 p.Article

Synthesis, properties, and oxidizing ability of areno-annulated 1,3-dimethyl-10-phenylcyclohepta[4,5]pyrrolo[2,30-d]pyrimidine-2,4(1,3H)-dionylium ionsNAYA, Shin-Ichi; OHTOSHI, Hiroshi; NITTA, Makoto et al.Journal of organic chemistry. 2006, Vol 71, Num 1, pp 176-184, issn 0022-3263, 9 p.Article

Symmetry-enhanced remote dicarbanion annulations for latent cycloalkenones : applications to alkaloids and terpenesLANSBURY, P. T; SPAGNUOLO, C. J; BEN ZHI et al.Tetrahedron letters. 1990, Vol 31, Num 28, pp 3965-3968, issn 0040-4039, 4 p.Article

The synthesis of 3-trimethylsilyl-4-dimethyl(phenyl)silyl-but-3-en-2-one, a β-functionalised Micheal acceptorFLEMING, I; NEWTON, T. W; SABIN, V et al.Tetrahedron (Oxford. Print). 1992, Vol 48, Num 37, pp 7793-7802, issn 0040-4020Article

Study on the base-catalyzed reverse vinylogous aldol reaction of (4aβ,5β)-4,4a,5,6,7,8-hexahydro-5-hydroxy-1,4a-dimethylnaphthalen-2(3H)-one under robinson annulation conditionsPAYETTE, Joshua N; HONDA, Tadashi; YOSHIZAWA, Hidenori et al.Journal of organic chemistry. 2006, Vol 71, Num 1, pp 416-419, issn 0022-3263, 4 p.Article

Butenolide annelations using a manganese(III) oxidation: a synthesis of jolkinolide EDEMIR, A. S; TANYELI, C; AKGÜN, H et al.Bulletin de la Société chimique de France. 1995, Vol 132, Num 4, pp 423-427, issn 0037-8968Article

Stereoselektiver Aufbau anellierter piperidine durch photochemische Cycloaddition und Iminium-Ion/Allylsilan-Cyclisierung = Stereoselective synthesis of annelated piperidines by photochemical cycloaddition and iminium ion-alklylsilane cyclisationTIETZE, L. F; WÜNSCH, J. R.Angewandte Chemie. 1991, Vol 103, Num 12, pp 1665-1667, issn 0044-8249Article

Synthesis of benzonorcaradienes by gold(I)-catalyzed [4+3] annulationGORIN, David J; DUBE, Pascal; TOSTE, F. Dean et al.Journal of the American Chemical Society. 2006, Vol 128, Num 45, pp 14480-14481, issn 0002-7863, 2 p.Article

Efficient synthesis of highly functionalized dihydropyrido[2,3-d]pyrimidines by a double annulation strategy from α-alkenoyl-α-carbamoyl ketene-(S,S)-acetalsLEI ZHAO; FUSHUN LIANG; XIHE BI et al.Journal of organic chemistry. 2006, Vol 71, Num 3, pp 1094-1098, issn 0022-3263, 5 p.Article

Synthesis of a new trans-A2B2 phthalocyanine motif as a building block for rodlike phthalocyanine polymersYOUNGBLOOD, W. Justin.Journal of organic chemistry. 2006, Vol 71, Num 9, pp 3345-3356, issn 0022-3263, 12 p.Article

Alkyne(carbene) complexes : stabilization of an intermediate of carbene annelationDÖTZ, K. H; SCHÄFER, T; KROLL, F et al.Angewandte Chemie. International edition in English. 1992, Vol 31, Num 9, pp 1236-1238, issn 0570-0833Article

Stereoselective dehydrative alkylation of bis-sulfones : synthesis of a lesser tea tortrix pheromoneJURONG YU; YUNG-SUNG CHO; FALCK, J. R et al.Journal of organic chemistry. 1993, Vol 58, Num 22, pp 5892-5894, issn 0022-3263Article

A simple and efficient synthesis of the naphthoate moiety of neocarzinostatin chromophoreTAKAHASHI, K; SUZUKI, T; HIRAMA, M et al.Tetrahedron letters. 1992, Vol 33, Num 32, pp 4603-4604, issn 0040-4039Article

Studies on fused 2(1H)-pyridenethiones : new routes for the synthesis of fused 1H-pyrazolo[3,4-b]pyridines and fused thieno[2,3-b]pyridinesSHARIFA SOLTAN AL-KAABI; GALAL ELDIN HAMZA ELGEMEIE.Bulletin of the Chemical Society of Japan. 1992, Vol 65, Num 8, pp 2241-2245, issn 0009-2673Article

Unexpected [2+2+2] MIMIRC annulation between a lithium dienolate and methyl acrylateJAAFAR, A; EL HOUSSINE ALILOU; REGLIER, M et al.Tetrahedron letters. 1991, Vol 32, Num 40, pp 5531-5534, issn 0040-4039Article

Kinetic study on the anelation of heterocycles. II : Pyrido[2,3-b]pyrazine and pyrido[3,4-b]pyrazine derivatives synthesized by the Hinsberg reactionABASOLO, M. I; BIANCHI, D; ATLASOVICH, F et al.Journal of heterocyclic chemistry. 1990, Vol 27, Num 2, pp 157-162, issn 0022-152XArticle

Undercutting conifer seedlings: effect on morphology and field performance on droughty sitesHOBBS, S. D; STAFFORD, S. G; SLAGLE, R. L et al.Canadian journal of forest research (Print). 1987, Vol 17, Num 1, pp 40-46, issn 0045-5067Article

Synthetic approach to the AB ring system of OuabainJUNG, Michael E; PIIZZI, Grazia.Journal of organic chemistry. 2003, Vol 68, Num 7, pp 2572-2582, issn 0022-3263, 11 p.Article

[2H] Chromènes hétéroannellés, spiro[fluorène [2H]-chromènes] et spiro[indoline-phénanthrolinoxazines]. Synthèse et équilibre photochromique = Heteroannellated[2H] chromenes, spiro[fluorene-[2H]-chromenes] and spiro[indoline phenanthrolinoxazines]. Synthesis and photochromic equilibriumPozzo, Jean-Luc; Guglielmetti, R.1994, 203 p.Thesis

Recent advances in the chemistry of condensed pyridazines: synthesis of bi- and tricyclic systems by annelation of five-, six-, and seven-membered rings to a preformed 1,2-diazine nucleusHAIDER, N; HEINICH, G.Heterocycles (Sendai). 1993, Vol 35, Num 1, pp 519-538, issn 0385-5414Article

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