PROCESSES FOR PREPARING CYCLOHEXANEDIMETHANOLS AND INTERMEDIATES THEREOF

Title:

PROCESSES FOR PREPARING CYCLOHEXANEDIMETHANOLS AND INTERMEDIATES THEREOF

Document Type and Number:

WIPO Patent Application WO/2001/005736

Kind Code:

A1

Abstract:

A process for preparing 2-substituted-1,1-cyclo-hexanedimethanols which essentially comprises the step of preparing a 1-hydroxymethyl-3-cyclohexene-1-carbaldehyde compound by the Diels-Alder reaction of a $g(b)-substituted-$g(a),$g(b)-unsaturated aldehyde with a chain conjugated diene in the presence of an anhydrous tin(IV) halide catalyst; and a process for preparing intermediates for the preparation of the cyclohexanedimethanols. The 2-substituted-1,1-cyclohexanedimethanols obtained by the above process are useful as the raw material of polyester, unsaturated polyester, alkyd, polyurethane, epoxy, or acrylic resins, or functional organic compounds.

Inventors:

KANEDA MASATO (JP)
HONDA YOSHIHIRO (JP)

Application Number:

PCT/JP2000/004694

Publication Date:

January 25, 2001

Filing Date:

July 13, 2000

Export Citation:

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Assignee:

SHOWA DENKO KK (JP)
KANEDA MASATO (JP)
HONDA YOSHIHIRO (JP)

International Classes:

B01J27/135; C07C29/141; C07C29/16; C07C45/69; C07C45/75; C07C47/46; (IPC1-7): C07C29/141; C07C31/27; C07C33/26; C07C45/75; C07C47/46; C07C45/69; C07C47/42; C07C47/453; B01J27/135; B01J23/04

Foreign References:

JPH06305984A	1994-11-01
JPH09262479A	1997-10-07
JPH10306056A	1998-11-17
JPH1045702A	1998-02-17
US4704477A	1987-11-03

Other References: