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. 29, 2011
Filed:
Jun. 04, 2004
Makoto Muto, Tokyo, JP;
Manabu Miura, Tokyo, JP;
Yutaka Kitagawa, Tokyo, JP;
Daiichi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Provision of a commercially advantageous method for producing an intermediate which is important for producing the antibacterial and which has a mother nucleus common to the antibacterial, and intermediates produced by such method. A method for producing a compound represented by formula (VI): which comprises the steps of treating a compound represented by formula (IV): with a base in the presence of a base to produce a compound represented by formula (V): and hydrolyzing this compound;a compound represented by formula (II): a compound represented by formula (Ia): a compound represented by formula (V): and a compound represented by formula (VI).