ChemicalBook CAS DataBase List 6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol

6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol synthesis

11synthesis methods

Product Name:6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol
CAS Number:140710-96-9
Molecular formula:C39H72O3Si2
Molecular Weight:645.16

1-(2-Hydroxy-1-methyl-ethyl)-7a-methyl-octahydro-inden-4-ol

64190-52-9
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6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol

140710-96-9
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Yield:-

Steps:

Multi-step reaction with 8 steps
1: 96 percent / Ph₃P, imidazole, I₂ / tetrahydrofuran / -20 deg C, 15 min then RT, 1.5 h
2: 90 percent / PDC / CH₂Cl₂ / 6 h / Ambient temperature
3: 92 percent / LDA / tetrahydrofuran / 2 h / -78 °C
4: 65 percent / CuI, Zn / ethanol; H₂O / 0.67 h / sonication
5: 86 percent / Et₃N / (Ph₃P)2PdCl₂ / dimethylformamide / 1 h / 75 °C
6: 97 percent / quinoline, Lindlar catalyst, H₂ / hexane / 8 h
7: 96 percent / 2,2,4-trimethyl-pentane / 5 h / Heating; in the dark
8: diethyl ether; tetrahydrofuran / 10 h / Ambient temperature

References:

Sestelo, Jose Perez;Mascarenas, Jose L.;Castedo, Luis;Murino, Antonio [Journal of Organic Chemistry,1993,vol. 58,# 1,p. 118 - 123]

FullText

(6R)-6-((1R,3aS,7aR)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldiMethylsilyloxy)-2-Methylenecyclohexylidene)ethyl)-7a-Methyloctahydro-1H-inden-1-yl)-2-Methylheptan-2-ol

140710-98-1
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140710-96-9
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References

32222-06-3 Synthesis

32222-06-3
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18162-48-6 Synthesis

18162-48-6
668 suppliers
$9.00/5g

140710-96-9
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References

1H-Indene-1-pentanol, 4-(bromomethylene)octahydro-α,α,ε,7a-tetramethyl-, (εR,1R,3aR,4E,7aR)-

143705-63-9
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(5R,7S)-2,2,3,3,9,9,10,10-octamethyl-5-(prop-2-ynyl)-7-vinyl-4,8-dioxa-3,9-disilaundecane

161055-41-0
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140710-96-9
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References

(1R,3aR,4S,7aR)-Octahydro-1-[(1S)-2-iodo-1-methylethyl]-7a-methyl-1H-inden-4-ol

116535-65-0
11 suppliers
$1230.00/500 mg

140710-96-9
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References

6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol Related Search:

Calcitriol 5-{2-[1-(5-Hydroxy-1,5-dimethyl-hexyl)-7a-methyl-octahydro-inden-4-ylidene]-ethylidene}-4-methylene-cyclohexane-1,3-diol

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6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol synthesis

6-(4-{2-[3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohexylidene]-ethylidene}-7a-methyl-octahydro-inden-1-yl)-2-methyl-heptan-2-ol Related Search: