Title:
【発明の名称】環状キラル化合物
Document Type and Number:
Japanese Patent JPH05500374
Kind Code:
A
Abstract:
A compound of general formula (I), in which each of R<1>, R<2>, R<3> and R<4> independently represent a hydrogen atom or a group -(CO)nR<5> in which n is 0 or 1 and R<5> represents an alkyl, aryl, cycloalkyl, alkaryl or aralkyl group, or R<1> or R<2> together and/or R<3> and R<4> together represent an alkylene group; Q represents an oxygen or sulphur atom; and Y represents a hydrogen atom, an alkali metal atom or a group of the general formula -COA in which A represents a halogen atom or an alkyl, alkenyl or alkoxy group optionally substituted by a phenyl, cycloalkyl, alkoxy or alkylcarbonyl group. Such compounds are cyclic and optically active and are useful in asymmetric syntheses and in the separation of optically active isomers.
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Inventors:
Banks, Malcolm Robert
Cadogan, John Ivan George
Dawn, Iron Michael
Gosney, Iron
Hodgson, Philip Kenneth Gordon
Cadogan, John Ivan George
Dawn, Iron Michael
Gosney, Iron
Hodgson, Philip Kenneth Gordon
Application Number:
JP50993391A
Publication Date:
January 28, 1993
Filing Date:
June 05, 1991
Export Citation:
Assignee:
The British Pitlorium Company PLC
International Classes:
C07B53/00; C07B57/00; C07H9/06; C07H13/12; (IPC1-7): C07B53/00; C07B57/00; C07H9/06; C07H13/12
Attorney, Agent or Firm:
Haruo Hamada