Patent number: 6005102
Abstract: The present invention provides compounds useful in the synthesis of biologically active compounds, and processes for their production, the compounds having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are, independently, selected from H; C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.6 perfluorinated alkyl; X represents a leaving group; A is O or S; m is an integer from 1 to 3, preferably 2; R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are independently selected from H, halogen, --NO.sub.2, alkyl, alkoxy, C.sub.1 -C.sub.6 perfluorinated alkyl, OH or the C.sub.1 -C.sub.4 esters or alkyl ethers thereof, --CN, --O--R.sup.1, --O--Ar, --S--R.sup.1, --S--Ar, --SO--R.sup.1, --SO--Ar, --SO.sub.2 --R.sup.1, --SO.sub.2 --Ar, --CO--R.sup.1, --CO--Ar, --CO.sub.2 --R.sup.1, or --CO.sub.2 --Ar; and Y is selected from a) the moiety: ##STR2## wherein R.sub.7 and R.sub.8 are independently selected from the group of H, C.sub.1 -C.sub.
Type:
Grant
Filed:
September 28, 1998
Date of Patent:
December 21, 1999
Assignee:
American Home Products Corporation
Inventors:
Panolil Raveendranath, Joseph Zeldis, Galina Vid, John R. Potoski, Jianxin Ren, Silvio Iera