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:
Nov. 22, 1983
Filed:
Nov. 18, 1981
Applicant:
Inventors:
Taisuke Matsuo, Ibaraki, JP;
Michihiko Ochiai, Osaka, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 544316 ; 544317 ; 2602454 ; 544320 ; 544321 ; 2603303 ; 544323 ; 544324 ; 2603309 ; 544325 ; 544327 ; 544111 ; 544328 ; 544329 ; 544112 ; 544331 ; 544332 ; 544113 ; 544333 ; 544334 ; 544114 ; 544335 ; 544359 ; 544120 ; 544360 ; 544362 ; 544121 ; 544363 ; 544364 ; 544122 ; 544365 ; 544366 ; 544123 ; 544367 ; 544369 ; 544132 ; 544370 ; 544372 ; 544133 ; 546122 ; 546123 ; 544134 ; 546155 ; 546156 ; 544137 ; 546157 ; 546159 ; 544138 ; 546168 ; 546170 ; 544139 ; 546171 ; 546172 ; 544141 ; 546175 ; 546114 ; 544146 ; 546275 ; 546276 ; 544152 ; 546277 ; 546280 ; 544182 ; 546281 ; 546283 ; 544209 ; 546284 ; 546153 ; 544212 ; 544238 ; 544279 ; 544295 ; 544296 ; 544300 ; 544301 ; 544310 ; 544311 ; 544312 ;
Abstract
Novel 3-methoxy-2-oxoazetidine derivatives, which are shown by the following formula ##STR1## wherein R.sub.1 is amino, acylated amino or protected amino, are of value as intermediates for the synthesis of useful compounds represented by the formula ##STR2## wherein R.sub.1 has the same meaning as defined above, as drugs in the treatment of bacterial infections.