(2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

Base Information

Chemical Name:(2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone
CAS No.:161197-05-3
Molecular Formula:C₃₂H₃₉NO₅S
Molecular Weight:549.731
Hs Code.:

Synonyms:(2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

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Chemical Property of (2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

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Technology Process of (2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

There total 5 articles about (2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone 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: 21.0%

: 124337-85-5
α,α-dimethyl-1-(p-toluenesulfonyl)-1H-indole-4-methanol

: 161197-04-2
(4R,5S)-5-methyl-4-pivaloyloxy-1-trimethylsilyloxy-5-vinyl-1-cyclohexene

: 131573-03-0
4-Isopropenyl-1-(toluene-4-sulfonyl)-1H-indole

: 161197-05-3
(2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

: 3,5,5-Trimethyl-1-(toluene-4-sulfonyl)-3-[1-(toluene-4-sulfonyl)-1H-indol-4-yl]-1,3,4,5-tetrahydro-benzo[cd]indole

Guidance literature:: With tin(IV) chloride; In dichloromethane; at -78 ℃; for 0.25h;
DOI:10.1248/cpb.42.1393

Reference yield:

: 55378-53-5
2,2-Dimethyl-propionic acid (1R,5R)-5-isopropenyl-2-methyl-cyclohex-2-enyl ester

: 161197-05-3
(2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

Guidance literature:: Multi-step reaction with 5 steps

1: 35 percent / CrO₃, dimethylpyrazole / CH₂Cl₂ / 15 h / -20 - 0 °C

2: 1.) CuBr*Me₂S, 2.) NaOMe / 1.) THF, -40 deg C, 30 min, 2.) MeOH, 0 deg C, 1.5 h

3: 84 percent / conc. HCl / dioxane / 4.33 h / 90 °C

4: LDA / tetrahydrofuran; hexane / 0.17 h / -73 °C

5: 50 percent / SnCl₄ / CH₂Cl₂ / 0.25 h / -78 °C

With 1,3-dimethyl-1H-pyrazole; chromium(VI) oxide; hydrogenchloride; copper(I) bromide dimethylsulfide complex; sodium methylate; tin(IV) chloride; lithium diisopropyl amide; In tetrahydrofuran; 1,4-dioxane; hexane; dichloromethane;
DOI:10.1248/cpb.42.1393

Reference yield:

: 161197-03-1
(3S,4R)-3-methyl-4-pivaloyloxy-3-vinylcyclohexan-1-one

: 161197-05-3
(2S,4R,5S)-5-methyl-2-<1-methyl-1-<1-(p-toluenesulfonyl)-4-indolyl>ethyl>-4-pivaloyloxy-5-vinyl-1-cyclohexanone

Guidance literature:: Multi-step reaction with 2 steps

1: LDA / tetrahydrofuran; hexane / 0.17 h / -73 °C

2: 50 percent / SnCl₄ / CH₂Cl₂ / 0.25 h / -78 °C

With tin(IV) chloride; lithium diisopropyl amide; In tetrahydrofuran; hexane; dichloromethane;
DOI:10.1248/cpb.42.1393