Products Categories
CAS No.: | 70741-38-7 |
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Name: | (3S,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol |
Article Data: | 4 |
Molecular Structure: | |
Formula: | C27H44 O |
Molecular Weight: | 384.646 |
Synonyms: | 8-Dehydrocholesterol;Cholesta-5,8-dien-3b-ol |
Density: | 1g/cm3 |
Melting Point: | 147-148 °C(Solv: chloroform (67-66-3); acetone (67-64-1)) |
Boiling Point: | 492.1°C at 760 mmHg |
Flash Point: | 211.8°C |
PSA: | 20.23000 |
LogP: | 7.45290 |
3β-benzoyloxy-cholesta-5,8-diene
cholesta-5,8(9)-dien-3β-ol
Conditions | Yield |
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With potassium hydroxide; benzene |
7α-cholesta-5,8-dien-3β-yl acetate
cholesta-5,8(9)-dien-3β-ol
Conditions | Yield |
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With lithium In various solvent(s) at -20℃; 30 min longer than required for the initial apperance of a blue color; Yield given; |
7-Dehydrocholesteryl acetate
cholesta-5,8(9)-dien-3β-ol
Conditions | Yield |
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Multi-step reaction with 2 steps 1: benzene / 4 h / Heating 2: Li / various solvent(s) / -20 °C / 30 min longer than required for the initial apperance of a blue color View Scheme |
7α-bromocholest-5-en-3β-ol benzoate
cholesta-5,8(9)-dien-3β-ol
Conditions | Yield |
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Multi-step reaction with 2 steps 1: ammonium thiocyanate; acetone 2: benzene; methanol. KOH View Scheme | |
Multi-step reaction with 2 steps 1: pyridine 2: benzene; methanol. KOH View Scheme |
7β-bromocholest-5-en-3β-ol benzoate
cholesta-5,8(9)-dien-3β-ol
Conditions | Yield |
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Multi-step reaction with 2 steps 1: pyridine 2: benzene; methanol. KOH View Scheme |
7-dehydrocholesterol
cholesta-5,8(9)-dien-3β-ol
Conditions | Yield |
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Stage #1: 7-dehydrocholesterol With diethylazodicarboxylate In toluene at 116℃; for 0.75h; Molecular sieve; Microwave irradiation; Stage #2: With propylamine; lithium; ethylenediamine at 0℃; for 0.25h; | 79 mg |
cholesta-5,8(9)-dien-3β-ol
cholesta-5,8-dien-3-one
Conditions | Yield |
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With oxalyl dichloride; dimethyl sulfoxide; triethylamine In dichloromethane at -50℃; for 1h; Oxidation; | 83% |
cholesta-5,8(9)-dien-3β-ol
1,6-cyclo-1,10-seco-cholesta-5,7,9-trien-3ξ-ol
Conditions | Yield |
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With mercury(II) diacetate; toluene-4-sulfonic acid Irradiation; |
cholesta-5,8(9)-dien-3β-ol
cholesta-4,8-dien-3-one
Conditions | Yield |
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With aluminum isopropoxide; acetone; benzene |
cholesta-5,8(9)-dien-3β-ol
cholesta-5,8-dien-3β-ol acetate
Conditions | Yield |
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With pyridine; acetic anhydride |