(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

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Chemical Name:(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid
CAS No.:831235-46-2
Molecular Formula:C₃₆H₅₂O₆SSi
Molecular Weight:640.957
Hs Code.:

(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

Synonyms:(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

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Chemical Property of (S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

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Technology Process of (S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

There total 5 articles about (S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid 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: 97.0%

: 831235-45-1
Methanesulfonic acid (R)-2-[(1R,4aS,5R,7S,8aR)-7-(tert-butyl-diphenyl-silanyloxy)-3-methyl-5-((S)-1-methyl-2-oxo-ethyl)-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl]-3-methyl-butyl ester

: 831235-46-2
(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

Guidance literature:: With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; In acetonitrile; tert-butyl alcohol; at 20 ℃; for 2h;
DOI:10.1021/jo048456c

Reference yield:

: 831235-44-0
Methanesulfonic acid (R)-2-[(1R,4aS,5R,7S,8aR)-7-(tert-butyl-diphenyl-silanyloxy)-5-((S)-2-hydroxy-1-methyl-ethyl)-3-methyl-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl]-3-methyl-butyl ester

: 831235-46-2
(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

Guidance literature:: Multi-step reaction with 2 steps

1: 91 percent / (COCl)2; DMSO; Et₃N / CH₂Cl₂ / 3 h / -78 °C

2: 97 percent / 2-methyl-2-butene; aq. NaClO₂; NaH₂PO₄*H₂O / 2-methyl-propan-2-ol; acetonitrile / 2 h / 20 °C

With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; oxalyl dichloride; dimethyl sulfoxide; triethylamine; In dichloromethane; acetonitrile; tert-butyl alcohol; 1: Swern oxidation;
DOI:10.1021/jo048456c

Reference yield:

: 831235-42-8
(R)-2-{(1R,4aS,5R,7S,8aR)-7-(tert-Butyl-diphenyl-silanyloxy)-5-[(S)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-3-methyl-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl}-3-methyl-butan-1-ol

: 831235-46-2
(S)-2-[(1R,3S,4aR,5R,8aS)-3-(tert-Butyl-diphenyl-silanyloxy)-5-((R)-1-methanesulfonyloxymethyl-2-methyl-propyl)-7-methyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-1-yl]-propionic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 98 percent / Et₃N; DMAP / CH₂Cl₂ / 3 h / 0 °C

2: 95 percent / DDQ; H₂O / CH₂Cl₂ / 0.5 h / 20 °C

3: 91 percent / (COCl)2; DMSO; Et₃N / CH₂Cl₂ / 3 h / -78 °C

4: 97 percent / 2-methyl-2-butene; aq. NaClO₂; NaH₂PO₄*H₂O / 2-methyl-propan-2-ol; acetonitrile / 2 h / 20 °C

With dmap; sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; oxalyl dichloride; water; dimethyl sulfoxide; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In dichloromethane; acetonitrile; tert-butyl alcohol; 3: Swern oxidation;
DOI:10.1021/jo048456c