Revisiting a Classic Approach to the Aspidosperma Alkaloids: An Intramolecular Schmidt Reaction Mediated Synthesis of (+)-Aspidospermidine

R Iyengar, K Schildknegt, M Morton…

Index: Vankar, Yashwant D.; Kumaravel, G.; Mukherjee, Neeta; Rao, C. Trinadha Synthetic Communications, 1987 , vol. 17, # 2 p. 181 - 188

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Citation Number: 76

Abstract

... figure Scheme 4 a. a Reagents and conditions: (a) NaH, BnBr, DMF; (b) PCC, CH 2 Cl 2 ; (c) CH 2 CH 2 MgBr, THF; (d) CrO 3 , H 2 SO 4 , acetone; (e) (S)-α-methylbenzylamine; (f) 10, hydroquinone, fused ZnCl 2 , Et 2 O, reflux; (g) 10% aq AcOH; (h) NaOMe, MeOH, reflux. ...

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