New reagents from “N, N - Dimethyl amino methoxy methylenium methyl
sulphate” - Synthesis of 3-Amino-4-cyano pyrazole
Veera Reddy. Arava , Laxminarasimhulu. Gorentla, Sreenivasula Reddy. Bandatmakuru
and Udaya Bhaskara Rao Siripalli
Dimethylamino methylene derivatives of active methylene compounds were prepared using DMF. Me2SO4 adduct. These dimethylamino methylene derivatives can be used in the preparation of Fluoroquinolines and heterocycles such as 3-Amino-4-cyano pyrazole.