发明授权
- 专利标题: Manufacture of esters
- 专利标题(中): 酯的制造
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申请号: US951259申请日: 1978-10-13
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公开(公告)号: US4225503A公开(公告)日: 1980-09-30
- 发明人: Michael S. Howarth
- 申请人: Michael S. Howarth
- 申请人地址: GB2 London
- 专利权人: Imperial Chemical Industries Limited
- 当前专利权人: Imperial Chemical Industries Limited
- 当前专利权人地址: GB2 London
- 优先权: GBX49348/77 19771128
- 主分类号: C07C69/007
- IPC分类号: C07C69/007 ; B01J31/00 ; B01J31/16 ; B01J31/22 ; C07B61/00 ; C07C67/00 ; C07C67/03 ; C07C253/00 ; C07C255/38 ; C07C69/743 ; C07C69/747 ; C07C120/00
摘要:
m-Phenoxybenzyl esters of carboxylic acids are prepared from the methyl or ethyl esters of the acids by reaction of the latter with m-phenoxybenzyl alcohol in the presence of a transesterification catalyst of the formula Ti(O.CO.R).sub.2 Z.sub.2 in which R is a hydrocarbon radical and Z is a bidentate chelate compound.
公开/授权文献
- US5967148A Lighter actuation system 公开/授权日:1999-10-19
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