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:
Mar. 17, 1981
Filed:
Mar. 14, 1978
Applicant:
Inventors:
Kazuyuki Nakagawa, Tokushima, JP;
Nanami Murakami, Tokushima, JP;
Shiro Yoshizaki, Komatsujima, JP;
Hideo Mori, Tokushima, JP;
Michiaki Tominaga, Tokushima, JP;
Assignee:
OtsukaPharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546158 ; 544128 ; 544363 ;
Abstract
Novel compounds represented by the formula ##STR1## wherein R.sup.1, R.sup.2, and R' and R' are defined as hereinafter, having a blocking activity on .beta.-adrenergic nerves, novel intermediates useful for synthesis thereof and processes for preparing the same are disclosed. When substitution is at the 5-position and R.sup.1 and R.sup.2 are hydrogen, R' and R' are not simultaneously hydrogen and a 1 to 4 carbon atom alkyl group in the claimed compound.