(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

Base Information

Chemical Name:(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester
CAS No.:131011-05-7
Molecular Formula:C₄₀H₅₀O₆SSi
Molecular Weight:686.985
Hs Code.:

(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

Synonyms:(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

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Chemical Property of (1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

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Technology Process of (1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

There total 8 articles about (1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl 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:

: 131011-03-5,131011-04-6
(S)-1-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-1,3a-dimethyl-5-(toluene-4-sulfonyl)-2,3,3a,6-tetrahydro-1H-indene-4-carboxylic acid methyl ester

: 131011-05-7
(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

Guidance literature:: With disodium hydrogenphosphate; trifluoroacetyl peroxide; In dichloromethane; at -25 ℃; for 24h; Yield given;
DOI:10.1021/ja00180a064

Reference yield:

: 117154-98-0
(R)-3-((S)-1,3-Dimethyl-2-vinyl-cyclopent-2-enyl)-butan-1-ol

: 131011-05-7
(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: imidazole / dimethylformamide / 0.25 h / 25 °C

2: 24 h / 23 °C

3: CF₃CO₃H, Na₂HPO₄ / CH₂Cl₂ / 24 h / -25 °C

With 1H-imidazole; disodium hydrogenphosphate; trifluoroacetyl peroxide; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ja00180a064

Reference yield:

: 131100-26-0
(R)-3-((S)-1,3-Dimethyl-2-oxo-cyclopentyl)-butyric acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester

: 131011-05-7
(1aR,4aS,7S,7aS)-7-[(R)-3-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-propyl]-4a,7-dimethyl-3-(toluene-4-sulfonyl)-1a,2,4a,5,6,7-hexahydro-1-oxa-cyclopropa[d]indene-4-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) KN(SiMe₃)2 / 2.) THF, -78 deg C

2: 87 percent / LiCl, (Ph₃P)4P / 12 h / 65 °C

3: i-Bu₂AlH / tetrahydrofuran / 0 °C

4: imidazole / dimethylformamide / 0.25 h / 25 °C

5: 24 h / 23 °C

6: CF₃CO₃H, Na₂HPO₄ / CH₂Cl₂ / 24 h / -25 °C

With 1H-imidazole; disodium hydrogenphosphate; trifluoroacetyl peroxide; (Ph₃P)4P; potassium hexamethylsilazane; diisobutylaluminium hydride; lithium chloride; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/ja00180a064