{(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane

Base Information

• Chemical Name: {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane
• CAS No.: 162189-52-8
• Molecular Formula: C₂₆H₄₂O₅SSi
• Molecular Weight: 494.768
• Mol file: 162189-52-8.mol

Synonyms:{(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane

Chemical Property of {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane

There total 6 articles about {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane 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%

tert-Butyl-{(S)-3-methoxy-3-[(4S,5R,6R)-2,2,5-trimethyl-6-((R)-1-methyl-2-phenylsulfanyl-ethyl)-[1,3]dioxan-4-yl]-prop-1-ynyl}-dimethyl-silane (162189-51-7) → {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane (162189-52-8)

Guidance literature:

With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; In dichloromethane; at 0 - 20 ℃; for 0.75h;

Reference yield:

(R)-2-{(4R,5R,6S)-6-[(S)-3-(tert-Butyl-dimethyl-silanyl)-1-methoxy-prop-2-ynyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-propionaldehyde (162189-50-6) → {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane (162189-52-8)

Guidance literature:

Multi-step reaction with 3 steps

1: NaBH₄ / ethanol / 0.75 h / 0 °C

2: Bu₃P / CH₂Cl₂ / 3.5 h / 0 °C

3: 97 percent / MCPBA, NaHCO₃ / CH₂Cl₂ / 1.) 0 deg C, 5 min, 2.) r.t., 45 min

With sodium tetrahydroborate; tributylphosphine; sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; In ethanol; dichloromethane;

DOI:10.1055/s-1999-3671

Reference yield:

(S)-2-{(4S,5R,6S)-6-[(S)-3-(tert-Butyl-dimethyl-silanyl)-1-methoxy-prop-2-ynyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-propan-1-ol (220094-53-1) → {(S)-3-[(4S,5R,6R)-6-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-3-methoxy-prop-1-ynyl}-tert-butyl-dimethyl-silane (162189-52-8)

Guidance literature:

Multi-step reaction with 2 steps

1: Bu₃P / CH₂Cl₂ / 3.5 h / 0 °C

2: 97 percent / MCPBA, NaHCO₃ / CH₂Cl₂ / 1.) 0 deg C, 5 min, 2.) r.t., 45 min

With tributylphosphine; sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid; In dichloromethane;

DOI:10.1055/s-1999-3671

upstream raw materials:

tert-Butyl-{(S)-3-methoxy-3-[(4S,5R,6R)-2,2,5-trimethyl-6-((R)-1-methyl-2-phenylsulfanyl-ethyl)-[1,3]dioxan-4-yl]-prop-1-ynyl}-dimethyl-silane

(S)-2-{(4S,5R,6S)-6-[(S)-3-(tert-Butyl-dimethyl-silanyl)-1-methoxy-prop-2-ynyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-propan-1-ol

(R)-2-{(4R,5R,6S)-6-[(S)-3-(tert-Butyl-dimethyl-silanyl)-1-methoxy-prop-2-ynyl]-2,2,5-trimethyl-[1,3]dioxan-4-yl}-propionaldehyde

(2R,3R,4R,5S,6S)-8-(tert-Butyl-dimethyl-silanyl)-2-[1,3]dithian-2-yl-6-methoxy-4-methyl-oct-7-yne-3,5-diol

Downstream raw materials:

(E)-(1R,5S,10S,11R,14S,15S,16S,17S,18R)-1,17-Dihydroxy-10,11,18-trimethoxy-14,16-dimethyl-5-phenyl-4,19-dioxa-bicyclo[13.3.1]nonadec-12-en-3-one

[(2R,3R,4S,5S,6S)-2,4-Dihydroxy-6-((E)-(1S,4R,5S,10S)-10-hydroxy-4,5-dimethoxy-1-methyl-10-phenyl-dec-2-enyl)-3-methoxy-5-methyl-tetrahydro-pyran-2-yl]-acetic acid ethyl ester

(4S,5R,6S)-4-[(S)-3-(tert-Butyl-dimethyl-silanyl)-1-methoxy-prop-2-ynyl]-6-[(E)-(1S,4R,5S,10S)-10-(tert-butyl-dimethyl-silanyloxy)-4,5-dimethoxy-1-methyl-10-phenyl-dec-2-enyl]-2,2,5-trimethyl-[1,3]dioxane

tert-Butyl-{(E)-(1S,6S,7R,10S)-6,7-dimethoxy-10-[(4S,5R,6S)-6-((S)-1-methoxy-prop-2-ynyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-1-phenyl-undec-8-enyloxy}-dimethyl-silane