Synthesis of the spiroacetal parts of spirofungin A and B
摘要:
The C9-C20 spiroacetal parts of spirofungin A and B, antifungal antibiotics from Strephomyces violaceusniger Tu 4113, were synthesized simultaneously from (S)-citronellyl bromide and (+/-)-epoxy alcohol via alkyne-lactone coupling reaction and diastereomeric separation. (C) 2000 Elsevier Science Ltd. All rights reserved.