G. Hardy, I. P. Sword, D. Hathway
Apr 1, 1972
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Journal
Journal of Labelled Compounds and Radiopharmaceuticals
Abstract
This paper describes the synthesis (i) of ethyl 4-(3, 4, 5-trimethoxycinnamoyl) - [2, 5-14C] piperazinyl acetate via [2, 5-14C] piperazine, and ethyl [ 2, 5-14C] piperazinyl acetate, and (ii) of ethyl 4-(3, 4, 5-trimethoxy [β-14C] cinnamoyl)piperazinyl acetate via 3, 4, 5-trimethoxybromobenze and 3, 4, 5-trimethoxybenz [14C] aldehyde. The unequivocal preparation of 3, 4, 5-trimethoxybromobenzene is described, and other methods for the preparation of 3, 4, 5-trimethoxybenz [14C] aldehyde are examined.