
Tetrahedron Letters p. 4135 - 4138 (1988)
Update date:2022-08-03
Topics:
Ihara, Masataka
Takino, Yoshinobu
Fukumoto, Keiichiro
Kametani, Tetsuji
Asymmetric total synthesis of (-)-tylophorine (2) was achieved with a high enantioselectivity through the intramolecular double Michael reaction of the α , β -unsaturated ester (8) having a novel chiral auxiliary with tert.-butyldimethylsilyl trifluoromethanesulfonate and Et3N.
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