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Title:
METHOD FOR PRODUCING 2-ISOPROPENYL-5-METHYL-4-HEXEN-1-YL 3-METHYL-2-BUTENOATE
Document Type and Number:
WIPO Patent Application WO/2006/109570
Kind Code:
A1
Abstract:
Disclosed is a method for commercially advantageously producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate with high yield. Specifically disclosed is a method for producing 2-isopropenyl-5-methyl-4-hexen-1-yl 3-methyl-2-butenoate represented by the formula (IV) below which is characterized in that a sulfonate compound represented by the general formula (III) below is obtained by reacting 2-isopropenyl-5-methyl-4-hexen-1-ol with an organic sulfonyl halide in the presence of a basic substance, and then the thus-obtained sulfonate compound is reacted with a senecioic acid in the presence of a basic substance. (In the formula, R represents a hydrocarbon group.)

Inventors:
Ujita, Katsuji c/o Kuraray Co. Ltd. (2-28, Kurashiki-cho, Tainai-sh, Niigata 91, 95926, JP)
Sato, Junko c/o Kuraray Co. Ltd. (2-28, Kurashiki-cho, Tainai-sh, Niigata 91, 95926, JP)
Fukumoto, Takashi c/o Kuraray Co. Ltd. (2-28, Kurashiki-cho, Tainai-sh, Niigata 91, 95926, JP)
Application Number:
PCT/JP2006/306460
Publication Date:
October 19, 2006
Filing Date:
March 29, 2006
Export Citation:
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Assignee:
KURARAY CO., LTD. (1621, Sakazu Kurashiki-sh, Okayama 22, 71086, JP)
Ujita, Katsuji c/o Kuraray Co. Ltd. (2-28, Kurashiki-cho, Tainai-sh, Niigata 91, 95926, JP)
Sato, Junko c/o Kuraray Co. Ltd. (2-28, Kurashiki-cho, Tainai-sh, Niigata 91, 95926, JP)
Fukumoto, Takashi c/o Kuraray Co. Ltd. (2-28, Kurashiki-cho, Tainai-sh, Niigata 91, 95926, JP)
International Classes:
C07C67/10; C07C69/533; C07C303/28; C07C309/66
Foreign References:
JPS62249943A
Other References:
HARTUNG J. ET AL.: 'Comptes Rendus de l'Academie des Sciences Series IIc' CHEMISTRY vol. 4, no. 7, 2001, pages 649 - 666, XP003006451
ZADA A. ET AL. TETRAHEDRON:ASYMMETRY vol. 15, no. 15, 2004, pages 2339 - 2343, XP004525423
See also references of EP 1867625A1
None
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