FACILE SYNTHESIS AND RING-OPENING OF 4-(TRIBUTYLSTANNYL)PYRROLIDINE-2-CARBOXYLATES

[摘要]：On treatment of ethyl 2-(4-methoxyphenylimino)acetate with (E)-1-tert-butyldimethylsiloxy-3-tributylstannylalkenes in the presence of methanesulfonic acid (MsOH) at -78 degrees C, a ring-closing reaction proceeded to give 4-(tributylstannyl)pyrrolidine-2-carboxylates, while their ring-opening reaction was observed to give homoallylic amines under the influence of MsOH at -20 degrees C to room temperature.

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