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Inhibitors of trypsin-like enzymes

  • US 6,114,308 A
  • Filed: 05/14/1998
  • Issued: 09/05/2000
  • Est. Priority Date: 04/28/1988
  • Status: Expired due to Fees
First Claim
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1. A compound having thrombin inhibiting activity and produced by the process of reacting a compound of the formula:

  • ##STR19## wherein X represents H or an N-protecting group, Y represents a sequence of 2-10 α

    -amino acids wherein D-Phe-Pro is attached to --NH, andQ1 and Q2 are --OH, or Q1 and Q2 taken together represent a residue of a diol,with methanol at temperatures of from 0-50°

    C. in the presence of guanidine.

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