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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.:

US 5153329 B1

PDFFull Text
Date of Patent:
Oct. 06, 1992

Filed:

Apr. 01, 1991

Process for producing n-alkylpyrazoles

Applicant:
Inventors:

Hiroshi Murakami, Narashino, JP;

Susumu Yamamoto, Yachiyo, JP;

Yoshihiro Iwasawa, Funabashi, JP;

Fumio Suzuki, Funabashi, JP;

Isao Hashiba, Onoda, JP;

Assignee:

Nissan Chemical Industries Ltd., Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt

Primary Examiner:

Robert W Ramsuer

Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
5483731 ;
Abstract

Disclosed herein is a process for producing N-alkylpyrazoles represented by the formula (1), which comprises reacting an alkali metal or an alkali metal-containing base with N- unsubstituted pyrazoles represented by the formula (2), to form an alkali metal salt thereof and, subsequently, reacting the obtained alkali metal salt with an alkylating agent. ##STR1## R.sup.1 : H, C.sub.1 -C.sub.4 alkyl; R.sup.2 : C.sub.1 -C.sub.4 alkyl;

Find Patent Forward Citations

Murakami, Hiroshi. (1992). Process for producing n-alkylpyrazoles (U.S. Patent No. 5153329). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5153329

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