Organic compounds -- part of the class 532-570 series – Organic compounds – Esters having the thiocarboxylate group – -cx- – wherein the...
Reexamination Certificate
2006-10-17
2006-10-17
Balasubramanian, Venkataraman (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Esters having the thiocarboxylate group, -cx-, wherein the...
C560S112000, C568S594000, C568S601000
Reexamination Certificate
active
07122693
ABSTRACT:
The acetaldehyde compounds, 2-thiobenzoylacetaldehyde diethylacetal, 2-benzoyloxyacetaldehyde bis(2-methoxyethyl)acetal, 2-hydroxyacetaldehyde bis( 2-methoxyethyl)acetal, 2-thiobenzoylacetaldehyde bis(2-methoxy-ethyl)acetal, and 2-thioacetaldehyde bis(2-methoxyethyl)acetal, are useful as intermediates in the synthesis of substituted 1,3-oxathiolanes and substituted 1,3-dioxolanes.
REFERENCES:
patent: 07/048382 (1995-02-01), None
Harnden, Michael R.; Parkin, Ann;Wyatt, Paul G., Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (10), 2757-65 (English) 1988.
Belleau, executrix of estate Pierette
Dixit Dilip M.
Nguyen-Ba Nghe
Balasubramanian Venkataraman
Millen White Zelano & Branigan P.C.
Shire BioChem Inc.
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