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Title:
NOVEL PARTIALLY PROTECTED TRISPHENOLS AND PROCESS FOR THE PREPARATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2004/103950
Kind Code:
A1
Abstract:
Partially protected trisphenols represented by the general formula (I): Wherein R1 is C1-C4 alkyl or C1-C4 alkoxy ; R2 is C1-C6 alkyl or C5-C6 cycloalkyl ; X1 is hydrogen, alkoxycarbonylmethyl whose alkyl has 1 to 4 carbon atoms, alkoxycarbonyl whose alkyl has 1 to 4 carbon atoms, or tetrahydropyranyl ; X2 is hydrogen, alkoxycarbonylmethyl whose alkyl has 1 to 4 carbon atoms, alkoxycarbonyl whose alkyl has 1 to 4 carbon atoms, or tetrahydrophyranyl, with the proviso that when X1 is hydrogen, X2 is not hydrogen, while when X2 is hydrogen, X1 is not hydrogen ; m is 0, 1 or 2 ; and n is 0, 1, 2 or 3.

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Inventors:
SHIOMI TAIICHI (JP)
MIYAGI SACHIKO (JP)
MASUDA TORU (JP)
Application Number:
PCT/JP2000/001079
Publication Date:
December 02, 2004
Filing Date:
February 24, 2000
Export Citation:
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Assignee:
SHIOMI TAIICHI (JP)
MIYAGI SACHIKO (JP)
MASUDA TORU (JP)
International Classes:
C07C37/20; C07C39/15; C07C45/71; C07C47/575; C07C67/343; C07C69/712; C07C69/96; C07D309/12; (IPC1-7): C07C69/736; C07C69/738; C07C67/31; C07D309/12
Domestic Patent References:
WO1998057922A11998-12-23
WO1996018626A11996-06-20
WO1995005376A11995-02-23
Foreign References:
JPH1135509A1999-02-09
EP0733631A11996-09-25
EP0100158A21984-02-08
Attorney, Agent or Firm:
Makino, Itsuro (3-3 Showacho 2-chome, Abeno-k, Osaka-shi Osaka, JP)
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