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.

Date of Patent:
Jun. 14, 2016

Filed:

Mar. 06, 2014
Applicant:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Inventor:

Junko Sato, Tainai, JP;

Assignee:

KURARAY CO., LTD., Kurashiki-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/51 (2006.01); C07C 45/00 (2006.01);
U.S. Cl.
CPC ...
C07C 45/00 (2013.01); C07C 45/515 (2013.01);
Abstract

Provided is a method of producing lavandulal at a high yield by controlling formation of its isomer of lavandulal as a by-product. In a method of producing lavandulal by making an acetal compound represented by the following formula (I) react with 3-methyl-1-butene-3-ol in the presence of an acid catalyst, the method includes: adding, to a liquid mixture comprising an acid catalyst, an acetal compound represented by the following formula (I), and 3-methyl-1-butene-3-ol in at least a portion of an amount to be used (3-methyl-1-butene-3-ol (a)), 3-methyl-1-butene-3-ol in the other portion of the amount to be used (3-methyl-1-butene-3-ol (b)); and maintaining the liquid mixture at a temperature of 110° C. or higher: in which Each R in the formula (I) represents an alkyl group.


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