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:
Jun. 14, 2005
Filed:
Nov. 29, 2002
Boyapati Manoranjan Choudary, Andhra Pradeah, IN;
Jeyalakshmi Kulandaivelu, Andhra Pradeah, IN;
Pravin R. Likhar, Andhra Pradeah, IN;
Lakshmi Kantam Mannepalli, Andhra Pradeah, IN;
Sreedhar Bojja, Andhra-Pradeah, IN;
Bhanuprakash Kotamarthi, Andhra-Pradeah, IN;
Sitha Sanyasi, Andhra-Pradeah, IN;
Boyapati Manoranjan Choudary, Andhra Pradeah, IN;
Jeyalakshmi Kulandaivelu, Andhra Pradeah, IN;
Pravin R. Likhar, Andhra Pradeah, IN;
Lakshmi Kantam Mannepalli, Andhra Pradeah, IN;
Sreedhar Bojja, Andhra-Pradeah, IN;
Bhanuprakash Kotamarthi, Andhra-Pradeah, IN;
Sitha Sanyasi, Andhra-Pradeah, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
The present invention comprises the simultaneous ring opening and concomitant N-substitution of various N-tosyl aziridines with different aliphatic and aromatic nitriles in presence of catalytic amount of metal triflates to afford different N-substituted β-amino nitriles in excellent yields and selectivities.