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ChemicalBook CAS DataBase List (22E,24R)-24-Methylcholesta-5,22-dien-3β-ol acetate
2458-53-9

(22E,24R)-24-Methylcholesta-5,22-dien-3β-ol acetate synthesis

1synthesis methods
28421-56-9 Synthesis
4a,13b-Etheno-1H,9H-benzo[c]cyclopenta[h][1,2,4]triazolo[1,2-a]cinnoline-1,3(2H)-dione, 6-(acetyloxy)-5,6,7,8,8a,8b,10,10a,11,12,13,13a-dodecahydro-8a,10a-dimethyl-2-phenyl-11-[(1R,2E,4R)-1,4,5-trimethyl-2-hexenyl]-, (4aS,6S,8aR,8bR,10aR,11R,13aR,13bS)-

28421-56-9
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1449-60-1 Synthesis
5α-Ergosta-7,22-dien-3β-ol acetate

1449-60-1
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Yield: 27% , 40%

Reaction Conditions:

with lithium;ethylamine for 0.5 h;Heating;

References:

Anastasia, Mario;Ciuffreda, Pierangela;Fiecchi, Alberto [Journal of the Chemical Society. Chemical communications,1982,# 20,p. 1169 - 1170]