972-46-3Relevant articles and documents
Novel stereoselective synthesis and chromatographic evaluation of E-guggulsterone
Gioiello, Antimo,Sardella, Roccaldo,Rosatelli, Emiliano,Sadeghpour, Bahman M.,Natalini, Benedetto,Pellicciari, Roberto
, p. 250 - 254 (2012)
A new stereoselective synthesis of E-guggulsterone is described starting from androsten-3,17-dione. Protection of the ring A enonic system, followed by regioselective Wittig reaction and C-16 oxidation, affords E-guggulsterone in good yields and high ster
Preparation method of androst-2-en-17-one
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Paragraph 0028; 0031-0032; 0035; 0038-0039; 0042; 0045-0046, (2019/04/30)
The invention discloses a preparation method of androst-2-en-17-one. The method comprises the steps that 4-androstenedione is adopted as a raw material, three-step reactions of a protective reaction,a reduction reaction and a deprotection reaction are ado
Preparation method of 5alpha-androstane-17-hydroxy-3-one
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Paragraph 0038; 0043; 0048, (2019/12/25)
The invention relates to a preparation method of 5alpha-androstane-17-hydroxy-3-one. The method specifically comprises the following steps: 1, carrying out an etherification reaction on 4-androstenedione, triethyl orthoformate and anhydrous ethanol in the