(R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

Base Information

Chemical Name:(R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal
CAS No.:32557-11-2
Molecular Formula:C₂₇H₄₄O₂
Molecular Weight:400.645
Hs Code.:

(R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

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Chemical Property of (R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

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Technology Process of (R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

There total 5 articles about (R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal 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: 73.0%

: tert-Butyl-[(3S,8S,9S,10R,13R,14S,17R)-17-((E)-(R)-6-methoxy-1,5-dimethyl-hex-5-enyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yloxy]-dimethyl-silane

: 32557-11-2
(R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

Guidance literature:: With perchloric acid; In diethyl ether; at 25 ℃; for 3h;
DOI:10.1016/S0957-4166(98)00222-5

Reference yield:

: 7494-34-0
27-nor-5-cholesten-3β-ol-25-one

: 32557-11-2
(R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

Guidance literature:: Multi-step reaction with 3 steps

1: 89 percent / imidazole / tetrahydrofuran / 12 h / 25 °C

2: 1.) LDA / 1.) -78 deg C, 2.) THF, toluene, 5 h

3: 73 percent / HClO₄ / diethyl ether / 3 h / 25 °C

With 1H-imidazole; perchloric acid; lithium diisopropyl amide; In tetrahydrofuran; diethyl ether;
DOI:10.1016/S0957-4166(98)00222-5

Reference yield:

: 2-[(R)-4-((1aR,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-Ethoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-pentyl]-2-methyl-[1,3]dioxolane

: 32557-11-2
(R)-6-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-heptanal

Guidance literature:: Multi-step reaction with 4 steps

1: 95 percent / aq. H₂SO₄ / tetrahydrofuran / 4 h

2: 89 percent / imidazole / tetrahydrofuran / 12 h / 25 °C

3: 1.) LDA / 1.) -78 deg C, 2.) THF, toluene, 5 h

4: 73 percent / HClO₄ / diethyl ether / 3 h / 25 °C

With 1H-imidazole; perchloric acid; sulfuric acid; lithium diisopropyl amide; In tetrahydrofuran; diethyl ether;
DOI:10.1016/S0957-4166(98)00222-5