4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

Base Information

Chemical Name:4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one
CAS No.:83457-13-0
Molecular Formula:C₃₁H₄₂O₅
Molecular Weight:494.671
Hs Code.:

Synonyms:4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

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Chemical Property of 4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

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Technology Process of 4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

There total 8 articles about 4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.0%

: 83457-12-9
3-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)furan-2-methanol

: 83457-13-0
4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

Guidance literature:: With sodium acetate; 3-chloro-benzenecarboperoxoic acid; In dichloromethane; for 2h; in an ice-bath;
DOI:10.1002/hlca.19820650712

Reference yield:

: 28872-85-7
2-(3-Bromo-2-furyl)-1,3-dioxolane

: 83457-13-0
4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

Guidance literature:: Multi-step reaction with 7 steps

1: 95 percent / 1.) butyllithium / diethyl ether; benzene / 0.5 h / -70 °C

2: 4-dimethylaminopyridine / pyridine / 72 h / Ambient temperature

3: CaCO₃ / acetone; H₂O / 96 h / Heating

4: 92 percent / H₂ / 10percent Pd/CaCO₃ / ethanol / Ambient temperature

5: 1N HCl / tetrahydrofuran / 1 h

6: 95 percent / NaBH₄ / tetrahydrofuran; methanol / Ambient temperature

7: 90 percent / m-chloroperbenzoic acid, NaOAc / CH₂Cl₂ / 2 h / in an ice-bath

With hydrogenchloride; sodium tetrahydroborate; n-butyllithium; hydrogen; sodium acetate; 3-chloro-benzenecarboperoxoic acid; calcium carbonate; dmap; Lindlar's catalyst; In tetrahydrofuran; pyridine; methanol; diethyl ether; ethanol; dichloromethane; water; acetone; benzene;
DOI:10.1002/hlca.19820650712

Reference yield:

: 73336-58-0
3β-benzyloxy-5β-androst-15-en-17-one

: 83457-13-0
4-(3'β-benzyloxy-15'β-hydroxy-5'β-androstan-17'β-yl)-6-hydroxy-3,6-dihydro-2H-pyran-3-one

Guidance literature:: Multi-step reaction with 7 steps

1: 95 percent / 1.) butyllithium / diethyl ether; benzene / 0.5 h / -70 °C

2: 4-dimethylaminopyridine / pyridine / 72 h / Ambient temperature

3: CaCO₃ / acetone; H₂O / 96 h / Heating

4: 92 percent / H₂ / 10percent Pd/CaCO₃ / ethanol / Ambient temperature

5: 1N HCl / tetrahydrofuran / 1 h

6: 95 percent / NaBH₄ / tetrahydrofuran; methanol / Ambient temperature

7: 90 percent / m-chloroperbenzoic acid, NaOAc / CH₂Cl₂ / 2 h / in an ice-bath

With hydrogenchloride; sodium tetrahydroborate; n-butyllithium; hydrogen; sodium acetate; 3-chloro-benzenecarboperoxoic acid; calcium carbonate; dmap; Lindlar's catalyst; In tetrahydrofuran; pyridine; methanol; diethyl ether; ethanol; dichloromethane; water; acetone; benzene;
DOI:10.1002/hlca.19820650712