Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications® to view the free supplemental file. ... An efficient, simple, and mild preparation of the classical antibacterial agent trimethoprim (1) was achieved in 85% overall yield from 3,4,5-trimethoxybenzaldehyde (2). First, the addition of propenenitrile (3) with dimethylamine almost quantitatively afforded 3-dimethylaminopropanenitrile (7). Then, by condensation ...
