N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

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Chemical Name:N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide
CAS No.:310890-52-9
Molecular Formula:C₃₅H₄₉NO₇SSi
Molecular Weight:655.928
Hs Code.:

Synonyms:N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

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Chemical Property of N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

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Technology Process of N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

There total 6 articles about N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide 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: 88.0%

: 98-68-0
4-methoxy-phenyl-sulphonyl chloride

: 310890-44-9
5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(R)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-ylamine

: 310890-52-9
N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

Guidance literature:: With triethylamine; In dichloromethane; at 0 - 20 ℃; for 16h;
DOI:10.1016/S0040-4020(00)00687-6

Reference yield:

: 99315-76-1
(5S)-5-(tert-butyldiphenylsiloxymethyl)-2(5H)-furanone

: 310890-52-9
N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

Guidance literature:: Multi-step reaction with 6 steps

1.1: 98 percent / CuI; DMS / tetrahydrofuran / -78 - 0 °C

2.1: 69 percent / trisyl azode / tetrahydrofuran / 0.5 h / -78 °C

3.1: 20 percent / Dibal-H / tetrahydrofuran; toluene / 11 h / -60 °C

4.1: 4 Angstroem molecular sieves; Et₃N / CH₂Cl₂ / 36 h / 20 °C

4.2: 53 percent / 4 Angstroem molecular sieves; AgOTf / CH₂Cl₂ / 2 h / 0 - 20 °C

5.1: 96 percent / H₂ / Pd/C / ethanol / 20 h

6.1: 88 percent / Et₃N / CH₂Cl₂ / 16 h / 0 - 20 °C

With copper(l) iodide; 2,3-dimercapto-succinic acid; 4 A molecular sieve; 2,4,6-Triisopropylbenzenesulfonyl azide; hydrogen; diisobutylaluminium hydride; triethylamine; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; toluene; 1.1: Addition / 2.1: Substitution / 3.1: Reduction / 4.1: Condensation / 4.2: Substitution / 5.1: Catalytic hydrogenation / 6.1: Condensation;
DOI:10.1016/S0040-4020(00)00687-6

Reference yield:

: 310889-88-4
5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-dihydro-furan-2-one

: 310890-52-9
N-[5(S)-(tert-butyl-diphenyl-silanyloxymethyl)-4(S)-isobutyl-2(S)-(2-methoxy-ethoxy)-tetrahydro-furan-3(S)-yl]-4-methoxy-benzenesulfonamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: 69 percent / trisyl azode / tetrahydrofuran / 0.5 h / -78 °C

2.1: 20 percent / Dibal-H / tetrahydrofuran; toluene / 11 h / -60 °C

3.1: 4 Angstroem molecular sieves; Et₃N / CH₂Cl₂ / 36 h / 20 °C

3.2: 53 percent / 4 Angstroem molecular sieves; AgOTf / CH₂Cl₂ / 2 h / 0 - 20 °C

4.1: 96 percent / H₂ / Pd/C / ethanol / 20 h

5.1: 88 percent / Et₃N / CH₂Cl₂ / 16 h / 0 - 20 °C

With 4 A molecular sieve; 2,4,6-Triisopropylbenzenesulfonyl azide; hydrogen; diisobutylaluminium hydride; triethylamine; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; toluene; 1.1: Substitution / 2.1: Reduction / 3.1: Condensation / 3.2: Substitution / 4.1: Catalytic hydrogenation / 5.1: Condensation;
DOI:10.1016/S0040-4020(00)00687-6