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Catechol derivatives, and preventive and remedial preparations for regressive disorders in the central nervous system containing the same

  • US 5,102,906 A
  • Filed: 10/31/1990
  • Issued: 04/07/1992
  • Est. Priority Date: 09/26/1986
  • Status: Expired due to Fees
First Claim
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1. A pharmaceutical composition comprising:

  • a catechol represented by the formula (D) ##STR9## wherein R7 is a lower alkyl group, a catechol having the formula (E) ##STR10## wherein R8 is a lower alkyl group excluding a methyl group, or a catechol having the formula (F) ##STR11## wherein R9 is a C3-4 alkyl group, and a pharmaceutically acceptable carrier.

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