Construction of the tricyclic core of the marine alkaloid sarain A
摘要:
The alkaloidal nucleus of sarain A (1) has been synthesized by a short route involving a [3 + 2] azomethine ylide cycloaddition and an allysilane/N-sulfonyliminium ion cyclization as key steps.
Construction of the tricyclic core of the marine alkaloid sarain A
摘要:
The alkaloidal nucleus of sarain A (1) has been synthesized by a short route involving a [3 + 2] azomethine ylide cycloaddition and an allysilane/N-sulfonyliminium ion cyclization as key steps.