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. 27, 2007
Filed:
May. 14, 2004
Stefan Scherer, Buettelborn, DE;
Andreas Meudt, Hofhetn, DE;
Bernd Lehnemann, Frankfurt, DE;
Alexei Kalinin, Springfield, MO (US);
Victor Snieckus, Kingston, CA;
Stefan Scherer, Buettelborn, DE;
Andreas Meudt, Hofhetn, DE;
Bernd Lehnemann, Frankfurt, DE;
Alexei Kalinin, Springfield, MO (US);
Victor Snieckus, Kingston, CA;
Archimica GmbH, Frankfurt am Main, DE;
Abstract
A process for preparing anilineboronic acid derivative of the formula I, by converting an aniline to a diprotected aniline by introducing two protecting groups, metalating the diprotected aniline with a metalating agent and simultaneously or subsequently reacting with a boronic ester B(OR)to form a protected anilineboronic ester, which is converted, by detaching the protecting groups, to the anilineboronic esters of the formula (I).