CATALYTIC CYCLE FOR PRODUCTION OF 1,1-DISUBSTITUTED ALKENES

    公开(公告)号:US20200223779A1

    公开(公告)日:2020-07-16

    申请号:US16641415

    申请日:2018-09-12

    申请人: Sirrus, Inc.

    IPC分类号: C07C67/30 C07C45/61 B01J31/04

    摘要: The present teachings disclose contacting an amine salt catalyst with a dicarbonyl compound having an alkylene group between the carbonyl group; adding formaldehyde, paraformaldehyde, or formalin in an amount of about 2:1 to about 3:1 moles of formaldehyde to moles of the dicarbonyl compound to form a mixture; and refluxing the mixture. The process forms a carbonyl-substituted alkene. The process may be performed in the absence of a solvent. The process may form methylene malonates, methylene dimalonates, methylene keto malonamides, methylene diketones, methylene keto esters, and the like.