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4222-96-2

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SILICA GEL PROMOTED SELECTIVE HYDROLYSIS OF 3-METHOXY-2,5(10)-DIENE STEROIDS
Hydrolysis of 3-methoxy-2,5(10)-diene steroids (1a-c) via oxalic acid in the presence of silica gel was developed as a fast selective synthesis method toward corresponding 5(10)-en-3-ones (2a-c) in good yield (51-94percent).This also provided a new method for selective ketalisation of 17-keto over 3-keto (2c).
Lui, Li-Gong,Zhang, Tong,Li, Zhen-Su
p. 2999 - 3006
(2007/10/03)

A novel and efficient process to 13β-ethyl-gon-4-ene-3,11,17-trione
A novel synthetic process to 13β-ethyl-gon-4-ene-3,11,17-trione with the total yield of 44% starting from 13β-ethyl-17β-hydroxy-3-methoxy-gona-2,5(10)-diene was described.
Liu,Su,Li
p. 3113 - 3124
(2007/10/02)

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Chemical Properties

Melting Point: 131-134°C
Solubility:Chloroform (Slightly), Ethanol (Slightly), Ethyl Acetate (Slightly)
Storage Temp.:-20°C Freezer, Under inert atmosphere

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