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:
Oct. 11, 1977
Filed:
May. 10, 1976
Applicant:
Inventors:
Matteo Giongo, Mentana, IT;
Walter Marconi, San Donato Milanese, IT;
Nicola Palladino, Monterotondo, IT;
Francesco Di Gregorio, Milan, IT;
Assignee:
Snam Progetti S.p.A., San Donato Milanese, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2606 / ; 2605 / ;
Abstract
A prochiral or racemic substrate such as a prochiral ketone is converted into an optically active product through a process wherein said substrate is subjected to an asymmetric hydrogen transfer reaction by means of an optically active amino-alane or polyimino-alane represented by the formula