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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List 17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate)
1807-15-4

17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate) synthesis

10synthesis methods
17α-Hydroxyprogesterone

68-96-2
430 suppliers
$35.00/25mg

17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate)

1807-15-4
7 suppliers
inquiry

-

Yield:-

Steps:

Multi-step reaction with 3 steps
1: 7.46 g / p-toluenesulfonic acid / benzene / 7 h / Heating
3: 1.) 30percent HClO4, 2.) aq. ammonia / 1.) CH2Cl2, -5 to -4 deg C, 20 min, 2.) pH 7, 2 h

References:

Ryakhovskaya, M. I.;Popova, E. V.;Andryushina, V. A.;Grinenko, G. S. [Pharmaceutical Chemistry Journal,1990,vol. 24,# 11,p. 839 - 842][Khimiko-Farmatsevticheskii Zhurnal,1990,vol. 24,# 11,p. 55 - 57]

Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

1000210-73-0
0 suppliers
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17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate)

1807-15-4
7 suppliers
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References
REICHSTEIN'S SUBSTANCE S 21-ACETATE

640-87-9
130 suppliers
$67.00/1g

Acetic anhydride

108-24-7
0 suppliers
$14.00/250ML

17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate)

1807-15-4
7 suppliers
inquiry

References
CORTEXOLONE

152-58-9
222 suppliers
$45.00/1mg

Acetic anhydride

108-24-7
0 suppliers
$14.00/250ML

17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate)

1807-15-4
7 suppliers
inquiry

References
Pregn-4-en-20-yn-3-one, 17-(acetyloxy)- (9CI)

83510-05-8
0 suppliers
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17,21-dihydroxypregn-4-ene-3,20-dione 17,21-di(acetate)

1807-15-4
7 suppliers
inquiry

References