Title:
【発明の名称】キノン化合物の製造方法
Document Type and Number:
Japanese Patent JPH0832655
Kind Code:
B2
Abstract:
A method for producing a compound of the formula: [wherein R<1> and R<2> each stand for a lower alkyl group; n denotes an integer of 0 to 21; X stands for hydrogen atom or an optionally protected hydroxyl group; and Y stands for an optionally protected hydroxyl group], which comprises by reducing an ester compound of the formula: [wherein R<1>, R<2>, n, X and Y are of the same meaning as defined above, and R<3> stands for a lower alkyl group] with a mixture of sodium borohydride and aluminum chloride, gives the desired compound in a high yield, and is advantageous from the industrial point of view.
Inventors:
Taiichi Okada
Application Number:
JP10620088A
Publication Date:
March 29, 1996
Filing Date:
April 27, 1988
Export Citation:
Assignee:
Takeda GmbH
International Classes:
C07C41/01; C07C41/26; C07C43/20; C07C43/23; C07C45/00; C07C45/29; C07C46/02; C07C46/04; C07C46/06; C07C50/28; C07C67/00; C25B3/23; A61K; C07C; (IPC1-7): C07C50/28; C07C46/06; C25B3/02
Attorney, Agent or Firm:
Tadao Asahina (2 outside)
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