trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

Base Information

Chemical Name:trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester
CAS No.:911856-56-9
Molecular Formula:C₃₄H₃₅F₃O₉SSi
Molecular Weight:704.793
Hs Code.:

trifluoro-methanesulfonic acid 7-(<i>tert</i>-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[<i>b</i>]pyran-4-yl ester

Synonyms:trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

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Chemical Property of trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

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Technology Process of trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

There total 7 articles about trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl 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: 80.0%

: 911856-61-6
trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-(3-furan-2-yl-3-oxo-propyl)-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

: 107-21-1
ethylene glycol

: 911856-56-9
trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

Guidance literature:: With toluene-4-sulfonic acid; In benzene; for 48h; Heating;
DOI:10.1021/ol061576h

Reference yield:

: 911856-57-0
2-diphenyl-t-butylsilyloxycyclopentanone

: 911856-56-9
trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: morpholine; p-toluenesulfonic acid monohydrate / benzene / Heating

1.2: 75 percent / diethyl ether / -78 - 20 °C

2.1: 60 percent / DBU / benzene / 5 h / Heating

3.1: 71 percent / FeCl₃*6H₂O / CHCl₃ / 6 h / 20 °C

4.1: 70 percent / Et₃N / CH₂Cl₂ / 0.17 h

5.1: 80 percent / TsOH / benzene / 48 h / Heating

With morpholine; iron(III) chloride; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; In dichloromethane; chloroform; benzene; 3.1: Michael addition;
DOI:10.1021/ol061576h

Reference yield:

: 911856-59-2
7-(tert-butyl-diphenyl-silanyloxy)-4-hydroxy-6,7-dihydro-5H-cyclopenta[b]pyran-2-one

: 911856-56-9
trifluoro-methanesulfonic acid 7-(tert-butyl-diphenyl-silanyloxy)-3-[2-(2-furan-2-yl-[1,3]dioxolan-2-yl)-ethyl]-2-oxo-2,5,6,7-tetrahydro-cyclopenta[b]pyran-4-yl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 71 percent / FeCl₃*6H₂O / CHCl₃ / 6 h / 20 °C

2: 70 percent / Et₃N / CH₂Cl₂ / 0.17 h

3: 80 percent / TsOH / benzene / 48 h / Heating

With iron(III) chloride; toluene-4-sulfonic acid; triethylamine; In dichloromethane; chloroform; benzene; 1: Michael addition;
DOI:10.1021/ol061576h