(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydr o-1H-cyclopenta[a]phenanthren-3-ol synthesis

7synthesis methods

Product Name:(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydr o-1H-cyclopenta[a]phenanthren-3-ol
CAS Number:1224-94-8
Molecular formula:C19H28O
Molecular Weight:272.42

53-43-0 Synthesis

53-43-0
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(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15-decahydr o-1H-cyclopenta[a]phenanthren-3-ol

1224-94-8
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Yield:1224-94-8 51%

Reaction Conditions:

Stage #1: dehydroepiandrosteronewith toluene-4-sulfonic acid hydrazide in ethanol; for 2 h;Reflux;Bamford-Stevens Decomposition;
Stage #2: with methyllithium in diethyl ether at 22; for 16.5 h;Bamford-Stevens Decomposition;

References:

Starkenmann, Christian;Mayenzet, Fabienne;Brauchli, Robert;Troccaz, Myriam [Chemistry and biodiversity,2013,vol. 10,# 12,p. 2197 - 2208]

32138-69-5 Synthesis

32138-69-5
203 suppliers
$28.60/1MG

1224-94-8
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References

Androsta-5,16-dien-3-ol,acetate, (3b)- (9CI)

1236-14-2
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1224-94-8
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References

Benzenesulfonic acid, 4-methyl-, [(3β)-3-(acetyloxy)androst-5-en-17-ylidene]hydrazide

89359-48-8
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1224-94-8
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References

853-23-6
302 suppliers
$28.00/5g

1224-94-8
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References