TY - T1 - 1,3,4-Thiadiazoles and 1,3-thiazoles from one-pot reaction of bisthioureas with 2-(bis(methylthio)methylene)malononitrile and ethyl 2-cyano-3,3-bis(methylthio)acrylate SN - / UR - http://hdl.handle.net/10138/309243 T3 - A1 - Aly, Ashraf A.; Hassan, Alaa A.; Bräse, Stefan; Ibrahim, Mahmoud A. A.; Abd Al-Latif, El-Shimaa S. M.; Spuling, Eduard; Nieger, Martin A2 - PB - Y1 - 2017 LA - eng AB - Bisthioureas reacted with either 2-(bis(methylthio)methylene)malononitrile or ethyl 2-cyano-3,3-bis(methylthio)acrylate to give 1,3,4-thiadiazoles and 1,3-thiazoles. Only, the reactive allyl derivative of bisthioureas reacted with the bis(methylthio)methylene compounds to give 1,3-thiazoles. The mechanism was discussed. The structures of products were proved by MS, IR, NMR and elemental analyses and X-ray structure analysis. [GRAPHICS]... VO - IS - SP - OP - KW - Bisthioureas; bis(methylthio)malononitrile; bis(methylthio)acrylate; 1; 3; 4-thiadiazoles; 3-thiazoles; X-ray; DERIVATIVES; 116 Chemical sciences N1 - PP - ER -