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Title:
ORGANOTIN COMPOUND AND TRANSESTERIFICATION CATALYST COMPRISING SAME
Document Type and Number:
Japanese Patent JPH11285642
Kind Code:
A
Abstract:

To obtain an organotin compd. type transesterification catalyst which allows transesterification to proceed under mild reaction conditions, gives the objective product in a high yield and high purity and does not affect optical purity by using an organotin compd. represented by a specified formula.

The transesterification catalyst is formed from an organotin compd. represented by the formula, wherein X, Y and Z are each alkoxyl, alkylthio, halogen or alkyl, at least two of X, Y and Z are each alkoxyl, alkylthio or halogen, R is an org. chain and R' is H or alkyl. When the catalyst is used, an ester compd. can be efficiently transesterified at ordinary temp. and under atmospheric pressure. The ester compd. used is not particularly limited.


Inventors:
NOYORI RYOJI
Application Number:
JP2679599A
Publication Date:
October 19, 1999
Filing Date:
February 04, 1999
Export Citation:
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Assignee:
NOYORI RYOJI
DAINIPPON INK & CHEMICALS
SUMITOMO CHEMICAL CO
International Classes:
B01J31/22; C07B41/12; C07B61/00; C07C67/02; C07C67/03; (IPC1-7): B01J31/22; C07B41/12; C07C67/02; C07C67/03
Attorney, Agent or Firm:
Takahashi victory