The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 1997
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Said M Elgendy, London, GB;
John J Deadman, Sutton, GB;
Geeta Patel, London, GB;
Donovan S Green, London, GB;
Jehan A Baban, London, GB;
Vijay V Kakkar, Bickley, GB;
Goran K Claeson, Pelham, MA (US);
Assignee:
Thrombosis Research Institute, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558288 ; 560-7 ;
Abstract
Stable .alpha.-substituted boronic esters, e.g. for use in peptide synthesis, are prepared by reacting a substituted alkene of the formula: ##STR1## with a disubstituted borane of the formula: ##STR2## wherein: (i) R.sup.1 and R.sup.2 are each selected from various groups which are preferably not leaving groups;