Fluorine-containing cyclic esters, fluorine-containing...

Details Fluorine-containing cyclic esters, fluorine-containing... Fluorine-containing cyclic esters, fluorine-containing...

2006-01-31

2006-01-31

Price, Elvis O. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

Reexamination Certificate

active

06992210

ABSTRACT:
A fluorine-containing cyclic ester is represented by the formula 1:wherein each R1independently represents —H or —F, wherein R2is one selected from the group consisting of —H, —F, —CF3, —OH, —COOH and —COOR4, where R4is an alkyl group having a carbon atom number of 1–15, and wherein R3is a substituent selected from the group consisting of —F, —CF3, and —R5C(CF3)2OR6, where R5is one selected from the group consisting of CH2, C2H4, and OCH2, and R6is H or an acid-labile protecting group.

REFERENCES:
patent: 6414167 (2002-07-01), Miyazawa et al.
patent: 2002-80431 (2002-03-01), None

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