Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid

(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid

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Origin: China

Cas No: 65429-42-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 65429-42-7 Formula: C24H30F2O6 Molecular Weight: 452.48800

Description

An impurity formed in the synthesis of Fluticasone propionate.

Basic Info

Chemical Name	(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid
Synonyms	UNII-TP537C010A; Flutione 17\|A-Carboxylic Acid Propionate; Flutione propionate-17beta-carboxylic acid; Flutione 17beta-carboxylic acid;
CAS No.	65429-42-7
Molecular Formula	C24H30F2O6
Molecular Weight	452.48800
PSA	100.90000
LogP	3.32780

Properties

Density	1.33
Boiling Point	577.645ºC at 760 mmHg
Flash Point	303.149ºC
Refractive Index	1.561

Synthesis Route

Propionyl chloride+(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid→(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid
Propionic anhydride+(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid→(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid
Propionyl chloride+Diethylamine→(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-propanoyloxy-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid

Precursor

(6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid
Propionyl chloride
Diethylamine
pentan-3-one

Downstream Product

FLUTICASONE PROPIONATE INTERMEDIATE
fluticasone propionate
3-(3,4-dimethoxyphenyl)pentan-2-one
(6α,8ξ,10ξ,11β,14ξ,16α,17α)-6,9-Difluoro-11-hydroxy-16-methyl-17- [(methylsulfanyl)carbonyl]-3-oxoandrosta-1,4-dien-17-yl propionat e

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