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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 12415769 B1

PDFFull Text
Date of Patent:
Sep. 16, 2025

Filed:

Jul. 11, 2022

Vinylether compounds and processes for preparing aldehyde compounds and a carboxylate compound therefrom

Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Takeru Watanabe, Joetsu, JP;

Takeshi Kinsho, Joetsu, JP;

Assignee:

Shin-Etsu Chemical Co., Ltd., Tokyo, JP;

Attorney:

Myers Bigel, P.A.

Primary Examiner:

Amy C Bonaparte

Int. Cl.
CPC ...
C07C 45/42 (2006.01); C07C 29/14 (2006.01); C07C 41/30 (2006.01); C07C 45/51 (2006.01); C07C 45/62 (2006.01); C07C 67/08 (2006.01);
U.S. Cl.
CPC ...
C07C 45/42 (2013.01); C07C 29/14 (2013.01); C07C 41/30 (2013.01); C07C 45/513 (2013.01); C07C 45/62 (2013.01); C07C 67/08 (2013.01); C07B 2200/07 (2013.01); C07C 2601/08 (2017.05); C07C 2601/10 (2017.05);
Abstract

The present invention provides a vinylether compound of the following general formula (1), wherein Rrepresents a monovalent hydrocarbon group having 1 to 15 carbon atoms, and the wavy line represents the E-form, the Z-form, or a mixture thereof. The present invention further provides a process for preparing 2,3,4,4-tetramethyl-1-cyclopentenecarbaldehyde of the following formula of the following formula (2), the process comprising subjecting the vinylether compound (1) to a hydrolysis reaction to form 2,3,4,4-tetramethyl-1-cyclopentenecarbaldehyde (2).

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Watanabe, Takeru. (2025). Vinylether compounds and processes for preparing aldehyde compounds and a carboxylate compound therefrom (U.S. Patent No. 12415769). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12415769

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