Amino protecting group
US5239069A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 22, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Jul 22, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention provides compounds of the formula ##STR1## wherein R* is a group of the formula ##STR2## wherein R and R.sup.0 are individually C.sub.1 -C.sub.6 alkyl groups or together form a ring consisting of the nitrogen atom to which they are attached and two to seven carbon atoms, said ring optionally substituted by one or more C.sub.1 -C.sub.6 alkyl and/or C.sub.1 -C.sub.6 substituted alkyl groups; PA0 Q and Q' are individually hydrogen, C.sub.1 -C.sub.6 alkyl, or when taken together form a divalent radical of the formula --CH.dbd.CH--CH.dbd.CH--; PA0 A is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 substituted alkyl, --S--(C.sub.1 -C.sub.6 alkyl)CO.sub.2 R", or --CH.sub.2 (C.sub.1 -C.sub.6 alkyl) CO.sub.2 R" wherein R"is hydrogen or a carboxy-protecting group; PA0 A' is hydrogen, an amide-protecting group, or a group of the formula --CH.sub.2 CO.sub.2 R".
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.