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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List (3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol
1192803-39-6

(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol synthesis

7synthesis methods
Cyclohexane, 1,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-5-(2-iodoethylidene)-, (1R,3R)-

1402710-05-7
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(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol

1192803-39-6
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-

Yield:-

Steps:

Multi-step reaction with 4 steps
1.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 °C
1.2: 1 h / 0 °C
2.1: n-butyllithium / tetrahydrofuran / 2 h / -60 - -40 °C
3.1: n-butyllithium; diisopropylamine / tetrahydrofuran; hexane / 0.25 h / -60 °C
3.2: 1 h / -60 °C
4.1: disodium hydrogenphosphate; sodium amalgam / methanol / 2 h / 20 °C

References:

Pietraszek, Anita;Malińska, Maura;Chodyński, Michal;Krupa, Malgorzata;Krajewski, Krzysztof;Cmoch, Piotr;Wo?niak, Krzysztof;Kutner, Andrzej [Steroids,2013,vol. 78,# 10,p. 1003 - 1014]

139356-39-1 Synthesis
(3R-trans)-[2-[3,5-Bis[[(1,1-diMethylethyl)diMethylsilyl]oxy]cyclohexylidene]ethyl]diphenyl-phosphine Oxide

139356-39-1
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(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol

1192803-39-6
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References
Butanal, 3-hydroxy-2,3-dimethyl-, (2R)-

94284-08-9
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(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol

1192803-39-6
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References
(1R,3aR,7aR)-1-((S)-1-hydroxypropan-2-yl)-7a-Methyloctahydro-1H-inden-4-ol

185997-26-6
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(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol

1192803-39-6
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References
(1R,7AR)-1-((S)-1-HYDROXYPROPAN-2-YL)-7A-METHYLHEXAHYDRO-1H-INDEN-4(2H)-ONE

79918-70-0
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(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol

1192803-39-6
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References

(3S,6R,E)-6-((1R,3aS,7aR,E)-4-(2-((3R,5R)-3,5-bis ((tert-butyldimethylsilyl)oxy)cyclohexylidene) ethylidene)-7a-methyloctahydro-1H-inden-1-yl)- 2,3-dimethylhept-4-en-2-ol Related Search:

(1R,3aR,7aR)-1-((2R,5S,E)-6-hydroxy-5,6-diMethylhept-3-en-2-yl)-7a-Methylhexahydro-1H-inden-4(2H)-one (1R,3aR,7aR)-1-((2R,5S,Z)-6-hydroxy-5,6-dimethylhept -3-en-2-yl)-7a-methyloctahydro-4H-inden-4-one 1H-Inden-4-ol, octahydro-1-[(1R,2E,4S)-5-hydroxy-1,4,5-triMethyl-2-hexen-1-yl]-7a-Methyl-, (1R,3aR,4S,7aR)- 2-((3R,5R)-3,5-bis(tert-butyldiMethylsilyloxy)cyclohexylidene)ethanol