Title of Invention

PROCESSES FOR THE PREPARATION OF CARBAPENEM-TYPE ANTIBACTERIAL AGENTS

Abstract A process for the preparation of a carbapenem-type antibacterial agent of formula (4) or a salt thereof by reacting a compound of formula (1) or a salt thereof [wherein R1 represents a C1 - C3 alkyl group], a compound of formula (2) or a salt thereof [wherein R2 and R3 each independently represents a hydrogen atom or an organic residue group, or R2 and R3, together with the nitrogen atom to which they are attached, may form a ring], and a compound of formula (3) or a salt thereof [wherein L represents a leaving group, and the hydroxyl group and the carboxyl group each independently may be protected by a protecting group], to give a compound of formula (4) or a salt thereof [wherein R1, R2 and R3 have the same meanings as defined above, and the hydroxyl group and the carboxyl group each independently may be protected by a protecting group].
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Documents:

608-kolnp-2003-granted-abstract.pdf

608-kolnp-2003-granted-claims.pdf

608-kolnp-2003-granted-correspondence.pdf

608-kolnp-2003-granted-description (complete).pdf

608-kolnp-2003-granted-examination report.pdf

608-kolnp-2003-granted-form 1.pdf

608-kolnp-2003-granted-form 18.pdf

608-kolnp-2003-granted-form 2.pdf

608-kolnp-2003-granted-form 3.pdf

608-kolnp-2003-granted-form 5.pdf

608-kolnp-2003-granted-gpa.pdf

608-kolnp-2003-granted-letter patent.pdf

608-kolnp-2003-granted-reply to examination report.pdf

608-kolnp-2003-granted-specification.pdf

608-kolnp-2003-granted-translated copy of priority document.pdf


Patent Number 221021
Indian Patent Application Number 608/KOLNP/2003
PG Journal Number 24/2008
Publication Date 13-Jun-2008
Grant Date 11-Jun-2008
Date of Filing 13-May-2003
Name of Patentee SANKYO COMPANY LIMITED
Applicant Address 5-1 NIHONBASHI HONCHO 3-CHOME, CHUO KU, TOKYO 103 8426
Inventors:
# Inventor's Name Inventor's Address
1 FUJIMOTO KATSUHIKO C/O SANKYO COMPANY LIMITED 12-1 SHINOMIYA 1-CHOME, HIRATSUKA-SHI, KANAGAWA 254-0041
2 KASHI TAKASHI C/O SANKYO COMPANY LIMITED, 12-1 SHINOMIYA 1-CHOME, HIRATSUKA-SHI, KANAGAWA 254-0041
PCT International Classification Number C07D 477/06
PCT International Application Number PCT/JP01/10096
PCT International Filing date 2001-11-19
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 2000-352178 2000-11-20 Japan