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Patent Searching and Data


Title:
TRANSFORMATION OF PEROXYACETAL INTERMEDIATE
Document Type and Number:
WIPO Patent Application WO/2015/073672
Kind Code:
A3
Abstract:
Methods for preparing esters by ozonolysis of cycloolefins are provided wherein, for example, an intermediate of formula IIa: is transformed to a compound of formula III:, wherein A is a C6-C10alkene chain with at least one double bond, R1 is a C1-C10alkyl, and R3 is an oxygen-containing functional group.

Inventors:
GAFFNEY ANNE (US)
HERKES FRANK E (US)
CLINE DWAIN T JR (US)
KANTAK MILIND V (US)
DORAI SURI N (US)
Application Number:
PCT/US2014/065456
Publication Date:
November 19, 2015
Filing Date:
November 13, 2014
Export Citation:
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Assignee:
INVISTA TECH SARL (CH)
International Classes:
C07C67/39; C07C45/40; C07C69/716; C07C69/738; C07C407/00; C07C409/00; C07C409/20
Domestic Patent References:
WO2015006360A12015-01-15
Foreign References:
US3287383A1966-11-22
Other References:
STUART L. SCHREIBER ET AL: "Ozonolytic cleavage of cycloalkenes to terminally differentiated products", TETRAHEDRON LETTERS, vol. 23, no. 38, 1 January 1982 (1982-01-01), pages 3867 - 3870, XP055139609, ISSN: 0040-4039, DOI: 10.1016/S0040-4039(00)87729-1
R. E. CLAUS, S. L. SCHREIBER: "OZONOLYTIC CLEAVAGE OF CYCLOHEXENE TO TERMINALLY DIFFERENTIATED PRODUCTS: METHYL 6-OXOHEXANOATE, 6,6-DIMETHOXYHEXANAL, METHYL 6,6-DIMETHOXYHEXANOATE", ORGANIC SYNTHESES, vol. 64, 1 January 1986 (1986-01-01), pages 150, XP055168703, ISSN: 0078-6209, DOI: 10.15227/orgsyn.064.0150
DYGOS J H ET AL: "An efficient synthesis of the antisecretory prostaglandin enisoprost", THE JOURNAL OF ORGANIC CHEMISTRY, vol. 56, no. 7, 1 January 1991 (1991-01-01), AMERICAN CHEMICAL SOCIETY, US, pages 2549 - 2552, XP002682339, ISSN: 0022-3263
DATABASE REAXYS Reed Elsevier Properties SA; XP002735865, Database accession no. XRN=4985261, XRN=5082836
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