Record no |
201102223266 |
Activity status |
Dead or Administration by others |
Working Title |
PROCESS FOR PREPARING DILTIAZEM |
Working Inventors |
LOHRAY BB ;LOHRAY VB;RAVINDRANATHAN T;BALAKRISHNAN EJ; |
Contributing institutions |
NCL |
Administered by |
|
Ownership |
|
Categories > Subjects |
Organic chemistry |
Categories > Portfolio |
Fine chemical/pharma intermediate drugs/bioactives |
Disclosure number |
|
NCL No |
1993-NCL-0033 |
CSIR No |
1993-NF-0199
|
Priority date |
05-02-1994 |
Country |
US |
Application number |
09/239351 |
Provisional filing date |
|
Complete filing date |
01-28-1999 |
Publication status |
Yes |
Publication date |
|
Publication no |
|
Granted number |
6180785 |
Granted date |
01-30-2001 |
Final title |
PROCESS FOR PREPARING DILTIAZEM |
Final Inventors |
LOHRAY BB;LOHRAY VB;RAVINDRANATHAN T;BALAKRISHNAN EJ; |
Abstract |
A process for preparing a 2Rhydroxy32aminophenylthio 3palkoxyaryl propanoic acid alkyl ester of formula V STR10
wherein
R is an alky or benzoyl residue
R.sup.1 is hydrogen an alkyl alkoxy aryloxy phenyl naphthyl or hydroxy residue and
R.sup.2 and R.sup. |
Case status |
Granted + Allowed to lapse |
Licensing status |
|
Licensing case no |
|
Client name |
|
Lead inventors |
THOTTAPILLI RAVINDRANATHAN |
Categories > Industry > Primary |
Organic Chemicals, Fine Chemicals, Intermediates, Feedstocks |
Categories > Industry > other |
|