A simple preparation of several new 2,3- and 1,2,3-substituted buta-1,3-dienes form 1,4-dichlorobutyne
作者:Alexander J. Bridges、John W. Fischer
DOI:10.1016/s0040-4039(00)81432-x
日期:1983.1
Addition of (psesudo) halogens across the triple bond of 1,4-dichlorobut-2-yne, followed by a 1,4-elimination, provides a very simple preparation of ten novel butadienes.
Thiocyanato-butenes as inhibitors of microorganism growth
申请人:Imperial Chemical Industries PLC
公开号:US04962123A1
公开(公告)日:1990-10-09
A halogenated ethylene compound of the formula: X CR.sub.1 R.sub.2 C(Y.sub.1).dbd.C(Y.sub.2)CR.sub.1 R.sub.2 SCN where R.sub.1 and R.sub.2 are hydrogen, optionally substituted alkyl or together form a cyclohexyl group; X is bromine, chlorine or iodine and Y.sub.1 and Y.sub.2 are chlorine, bromine or iodine. A compound of this type is 2,3-dibromo-1-chloro-4-thiocyanato-2-butene. The compound has good anti-fungal and anti-bacterial properties. The compound can be used as an industrial biocide.
Unsaturated, halogenated thiocyanates, the preparation thereof and use as a biocide
申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0316058A1
公开(公告)日:1989-05-17
A halogenated ethylene compound of the formula:
X CR₁R₂C(Y₁) = C(Y₂)CR₁R₂ SCN
where R₁ and R₂ are hydrogen, optionally substituted alkyl or together form a cyclohexyl group; X is bromine, chlorine or iodine and Y₁ and Y₂ are chlorine, bromine or iodine. A compound of this type is 2,3-dibromo-1-chloro-4-thiocyanato-2-butene. The compound has good anti-fungal and anti-bacterial properties. The compound can be used as an industrial biocide.