Tributyltin chloride-sodium cyanoborohydride mediated tandem radical cyclisation-reductive demethoxylation sequence
作者： A Srikrishna , R Viswajanani , C.V Yelamaggad
DOI: 10.1016/S0040-4020(97)00658-3
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摘要: Reaction of the bromoketals 3, 7a-g and 11 with tri-n-butyltin chloride sodium cyanoborohydride in presence a catalytic amount AIBN furnished ethers 5, 8a-g 13 via tandem sequence comprising radical cyclisation reaction tri-n-butylhalostannane mediated reductive demethoxylation resulting cyclic ketals.
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sci-hub.se 参考文章(15)
Tse-Lok Ho, Tandem organic reactions ,(1992)
A. Srikrishna, K.C. Pullaiah, Furannulation via radical cyclisation Tetrahedron Letters. ,vol. 28, pp. 5203- 5204 ,(1987) , 10.1016/S0040-4039(00)95629-6
A. Srikrishna, G. Sundarababu, A radical cyclisation reaction based strategy to 2,3,5-tri- and tetrasubstituted furans Tetrahedron. ,vol. 46, pp. 7901- 7910 ,(1990) , 10.1016/S0040-4020(01)90088-2
Huw M.L. Davies, Tandem cyclopropanation/cope rearrangement: a general method for the construction of seven-membered rings Tetrahedron. ,vol. 49, pp. 5203- 5223 ,(1993) , 10.1016/S0040-4020(01)82371-1
Masataka Ihara, Keiichiro Fukumoto, Syntheses of Polycyclic Natural Products Employing the Intramolecular Double Michael Reaction Angewandte Chemie. ,vol. 32, pp. 1010- 1022 ,(1993) , 10.1002/ANIE.199310101
Richard A. Bunce, Recent advances in the use of tandem reactions for organic synthesis Tetrahedron. ,vol. 51, pp. 13103- 13159 ,(1995) , 10.1016/0040-4020(95)00649-S
A Srikrishna, R Viswajanani, C.V Yelamaggad, A new tetrahydrofurannulation via tandem radical cyclisation reaction-reductive deoxygenation sequence Tetrahedron Letters. ,vol. 36, pp. 1127- 1128 ,(1995) , 10.1016/0040-4039(94)02412-5
Gilbert. Stork, Philip Michael. Sher, A catalytic tin system for trapping of radicals from cyclization reactions. Regio- and stereocontrolled formation of two adjacent chiral centers Journal of the American Chemical Society. ,vol. 108, pp. 303- 304 ,(1986) , 10.1021/JA00262A024
Lee. Garver, Paul. Van Eikeren, James E. Byrd, A facile synthesis of (+)-pinol from (-)-carvone Journal of Organic Chemistry. ,vol. 41, pp. 2773- 2774 ,(1976) , 10.1021/JO00878A030
Gary H. Posner, Multicomponent one-pot annulations forming 3 to 6 bonds Chemical Reviews. ,vol. 86, pp. 831- 844 ,(1986) , 10.1021/CR00075A007