Formaldehyde → 1-(6-Chloro-3-pyridylmethyl)-2-(1-nitro-2-trimethylsilylmethylthioethylidene)imidazolidine

Participants

Reaction Steps

0.5 g of 1-(6-chloro-3-pyridylmethyl)-2-nitromethyleneimidazolidine, 0.18 g of 37% formaldehyde aqueous solution and 0.24 g of mercaptomethyl trimethylsilane were added to 15 ml of ethanol, and were reacted under reflux for 1 hour. After completing the reaction, the reaction liquor was cooled by ice to precipitate a crystal. The crystal thus precipitated was taken out by filtration, and was washed with a cold ethanol to obtain 0.3 g of the aimed product (Compound No. 20) having a melting point of from 162.3° to 164.3° C.

Provenance & Evidence