Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

Base Information

Chemical Name:Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester
CAS No.:181776-90-9
Molecular Formula:C₃₁H₄₅NO₄
Molecular Weight:495.703
Hs Code.:

Synonyms:Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

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Chemical Property of Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

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Technology Process of Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

There total 4 articles about Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester 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: 92.0%

: 103-71-9
phenyl isocyanate

: 181776-84-1
(1S,4aR,4bR,7S,8aR,10aR)-7-Hydroxy-1,4b,8,8,10a-pentamethyl-1-(4-oxo-pentyl)-dodecahydro-phenanthren-2-one

: 181776-90-9
Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

Guidance literature:: With pyridine; for 20h; Ambient temperature;
DOI:10.1021/ja9620806

Reference yield:

: (1S,4aR,4bR,7S,8aR,10aR)-7-Hydroxy-1,4b,8,8,10a-pentamethyl-1-[3-(2-methyl-[1,3]dithiolan-2-yl)-propyl]-dodecahydro-phenanthren-2-one

: 181776-90-9
Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

Guidance literature:: Multi-step reaction with 2 steps

1: iodobenzene-bis(trifluoroacetate) / methanol; H₂O; propan-2-ol / 0.75 h / 0 °C

2: 92 percent / pyridine / 20 h / Ambient temperature

With pyridine; bis-[(trifluoroacetoxy)iodo]benzene; In methanol; water; isopropyl alcohol;
DOI:10.1021/ja9620806

Reference yield:

: (2S,4aR,4bR,8S,8aR,10aR)-7-(tert-Butyl-dimethyl-silanyloxy)-1,1,4a,8,8a-pentamethyl-8-[3-(2-methyl-[1,3]dithiolan-2-yl)-propyl]-1,2,3,4,4a,4b,5,8,8a,9,10,10a-dodecahydro-phenanthren-2-ol

: 181776-90-9
Phenyl-carbamic acid (2S,4aR,4bR,8S,8aR,10aR)-1,1,4a,8,8a-pentamethyl-7-oxo-8-(4-oxo-pentyl)-tetradecahydro-phenanthren-2-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 48percent aq. HF / acetonitrile / 0.75 h / 23 °C

2: iodobenzene-bis(trifluoroacetate) / methanol; H₂O; propan-2-ol / 0.75 h / 0 °C

3: 92 percent / pyridine / 20 h / Ambient temperature

With pyridine; hydrogen fluoride; bis-[(trifluoroacetoxy)iodo]benzene; In methanol; water; isopropyl alcohol; acetonitrile;
DOI:10.1021/ja9620806