Heck Cyclization Strategy for Preparation of Erythrinan Alkaloids: Asymmetric Synthesis of Unnatural (−)-Erysotramidine from L-Tartaric Acid

D Mostowicz, M Dygas, Z Kałuża

Index: Obase, Akiko; Kageyama, Akihito; Manabe, Yuki; Ozawa, Tsukasa; Araki, Takaaki; Yokoe, Hiromasa; Kanematsu, Makoto; Yoshida, Masahiro; Shishido, Kozo Organic Letters, 2013 , vol. 15, # 14 p. 3666 - 3669

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Citation Number: 6

Abstract

... Volume: Page: ... Institute of Organic Chemistry, Polish ... With enantiopure 12 in hand, we submitted it to a base-induced elimination (Scheme 4). Applying a variety of reaction conditions and bases (such as LDA,(8a) KOTMS,(8b) DBU,(8c) t-BuOK, HMDS-Na), we ...