Claims
- 1. A compound of the formula (II) ##STR15## wherein R is a protected amino group and R.sub.1 is a carboxy protected group.
- 2. The compound as recited in claim 1 wherein R is phenoxyacetamido and R.sub.1 is tertiary butyl.
Parent Case Info
This application is a division of application Ser. No. 07/691,257, filed Apr. 25, 1991, now U.S. Pat. No. 5,089,610.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4983732 |
Blaszczak |
Jan 1991 |
|
Non-Patent Literature Citations (2)
Entry |
Astleford, Chem. Abs. 115, 114208x (1991, Jul.) with attached structure. |
Achini and Oppolzer, Tetrahedron Letters, No. 6, 369-372 (1975), "Synthesis of Pyrrolidines by Intramolecular Carbanionic Epoxide Opening". |
Divisions (1)
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Number |
Date |
Country |
Parent |
691257 |
Apr 1991 |
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