Title:
PROCESS FOR PRODUCTION OF 1,2,4-BUTANETRIOL
Document Type and Number:
WIPO Patent Application WO/2003/106392
Kind Code:
A1
Abstract:
The invention provides a process by which 1,2,4-butane- triol can be easily produced at a low cost, namely, a process which comprises reducing one or more starting compounds selected from among malic diesters, 3-hydroxy-&gammad -butyrolactone and 3,4-dihydroxybutanoic esters as represented by the general formulae (&Igr ) in the presence of sodium borohydride in a medium into 1,2,4-butanetriol (&Igr &Igr ), wherein the sodium borohydride and the starting compound are respectively incorporated in alcohols different from each other and then subjected to the reduction: (&Igr ) (&Igr &Igr ) wherein R is alkyl having at most four carbon atoms.
Inventors:
FURUKAWA YOSHIRO
OHTAKA SEIJI
OHTAKA SEIJI
Application Number:
PCT/JP2003/007530
Publication Date:
December 24, 2003
Filing Date:
June 13, 2003
Export Citation:
Assignee:
DAISO CO LTD (JP)
International Classes:
C07C29/147; (IPC1-7): C07C29/147; C07B53/00; C07C31/22; C07M7/00
Domestic Patent References:
| WO1998008793A1 | 1998-03-05 |
Foreign References:
| EP1061060A1 | 2000-12-20 | |||
| JP2000302711A | 2000-10-31 |
Other References:
See also references of EP 1553073A4
Attorney, Agent or Firm:
Hibi, Norihiko c/o KISHIMOTO & CO. (3rd Floor Inaba Building, 13-18,
Nishishinsaibashi 1-chome, Chuo-k, Osaka-shi Osaka, JP)
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