Epothilone derivatives and methods for making and using the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20020193361A1
SERIAL NO

09825856

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to 16-membered macrocyclic compounds. In one aspect of the present invention, compounds of the formula 1 are provided wherein: R.sup.1, R.sup.2, R.sup.3, and R.sup.5 are each independently hydrogen, C.sub.1-C.sub.10 alkyl, C.sub.2-C.sub.10 alkenyl, C.sub.2-C.sub.10 alkynyl, aryl or alkylaryl; R.sup.4 is hydrogen, halogen, C.sub.1-C.sub.10 alkyl, C.sub.1-C.sub.10 hydroxyalkyl, C.sub.1-C.sub.10 haloalkyl, aryl, --C(.dbd.O)R.sup.6, --C(.dbd.O)OR.sup.6, --NR.sup.6R.sup.7 where R.sup.6 and R.sup.7 are each independently hydrogen, C.sub.1-C.sub.10 aliphatic, aryl or alkylaryl; W is O, NR.sup.8 where R.sup.8 is hydrogen, C.sub.1-C.sub.10 alkyl, C.sub.2-C.sub.10 alkenyl, C.sub.2-C.sub.10 alkynyl, aryl or alkylaryl; X is O, CH.sub.2 or a carbon-carbon double bond; Y is absent or a C.sub.1-C.sub.10 alkyl, C.sub.2-C.sub.10 alkenyl, or C.sub.2-C.sub.10 alkynyl; and Ar is aryl; provided that 10,11-dehydroepothilone C is excluded.

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Patent Owner(s)

Patent OwnerAddress
KOSAN BIOSCIENCES INC3832 BAY CENTER PLACE INTELLECTUAL PROPERTY DEPT HAYWARD CA 94545

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ashley, Gary Alameda, US 55 477
Metcalf, Brian Moraga, US 47 838

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