Process to prepare 11.beta., 17.alpha.,21-trihydroxy-6.alpha.-methylpregna-1,4-diene-3,20-dione 21-acetate

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United States of America Patent

PATENT NO 6828120
APP PUB NO 20030044885A1
SERIAL NO

10172479

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Abstract

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The present invention is a novel process for the transformation of 17.alpha.-hydroxy-6.alpha.-methylpregn-4-ene-3,20-dione 17-acetate (I) ##STR1## to 11.beta.,17.alpha.,21-trihydroxy-6.alpha.-methylpregna-1,4-diene-3,20-dione 21-acetate (VI) ##STR2##

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Patent Owner(s)

Patent OwnerAddress
CRIA INCCORPORATION TRUST CENTER 1209 ORANGE STREET WILMINGTON DE 19801

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gilbert, Ivan G Kalamazoo, MI 1 0
Pearlman, Bruce Allen Kalamazoo, MI 24 30
White, Michael J Portage, MI 67 434

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