(1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

Base Information

Chemical Name:(1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester
CAS No.:1026032-70-1
Molecular Formula:C₄₃H₅₀N₂O₄
Molecular Weight:658.881
Hs Code.:

(1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

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Chemical Property of (1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

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Technology Process of (1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

There total 11 articles about (1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl 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:

: 151520-60-4
17β-carboxy-6-(tert-butylcarboxy)-6-azaandrost-4-en-3-one

: 1026032-70-1
(1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: SOCl₂, pyridine, DMF / toluene / 1 h / 0 °C

2: CH₂Cl₂

With pyridine; thionyl chloride; N,N-dimethyl-formamide; In dichloromethane; toluene;
DOI:10.1021/jm00041a014

Reference yield:

: 5824-40-8
Triphenylmethylamin

: 151520-69-3
(1S,3aS,3bS,9aR,9bS,11aS)-1-Chlorocarbonyl-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

: 1026032-70-1
(1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

Guidance literature:: DOI:10.1021/jm00078a022

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 1026032-70-1
(1S,3aS,3bS,9aR,9bS,11aS)-9a,11a-Dimethyl-7-oxo-1-(trityl-carbamoyl)-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-5-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 6 steps

2: TBAF

3: PDC

4: LiOH aq.

5: SOCl₂, pyridine

With pyridine; lithium hydroxide; dipyridinium dichromate; thionyl chloride; tetrabutyl ammonium fluoride;
DOI:10.1021/jm00078a022