Various alkyl-substituted piperidines and pyrrolidines have been reported as venomous constituents from ant species in the related genera Monomorium and So1enopsis.l Although ... Published on 01 January 1983. Downloaded by google on 03/05/2016 08:28:00. ... View Article Online / Journal Homepage / Table of Contents for this issue ... I I Me (16) R = CHO (17) R = CHZCHBU" (ZandE) ... (c 0.93, CHCI,) in 82% yield, by employing Mitsunobu's ...