Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

Base Information

Chemical Name:Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester
CAS No.:109306-79-8
Molecular Formula:C₂₆H₄₂O₅SSi
Molecular Weight:494.768
Hs Code.:

Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

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Chemical Property of Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

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Technology Process of Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

There total 7 articles about Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-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: 94.0%

: 109306-77-6
cis,anti, cis-1-methoxy-7-methyl-endo-3-<<(tert-butyldimethylsilyl)oxy>methyl>tricyclo<5.3.0.0^2.6>decan-endo-8-ol

: 98-59-9
p-toluenesulfonyl chloride

: 109306-79-8
Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

Guidance literature:: In pyridine; for 48h; Ambient temperature;
DOI:10.1021/jo00392a019

Reference yield:

: 3883-56-5
3-methoxy-2-methylcyclopent-2-enone

: 109306-79-8
Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

Guidance literature:: Multi-step reaction with 7 steps

2: 1.) Co₂(CO)8, / 1.) DME, 1h, 25 deg.C 2.) DME, 4d, 60-65 deg.C

3: 98 percent / H₂ / 5percent Pd/C / methanol / 60 h

4: 1.) KH / 1.) DMSO, 60 deg.C, 10 min, 2.) DMSO, 60 deg.C, 6h

5: 1.)BH₃*SMe₂, 2.)NaOH, ethanol, 30percent H₂O₂ / 1.) THF, RT, 4h, 2.) THF, 60 deg. C, 1h

6: 72 percent / (C₂H₅)3N, DMAP / CH₂Cl₂ / 12 h

7: 94 percent / pyridine / 48 h / Ambient temperature

With dmap; sodium hydroxide; dicobalt octacarbonyl; ethanol; dimethylsulfide borane complex; hydrogen; dihydrogen peroxide; potassium hydride; triethylamine; palladium on activated charcoal; In pyridine; methanol; dichloromethane;
DOI:10.1021/jo00392a019

Reference yield:

: 109306-60-7
1-methyl-5-methoxybicyclo<3.2.0>hept-6-en-endo-2-ol

: 109306-79-8
Toluene-4-sulfonic acid (1S,3aR,3bS,4R,6aS,6bS)-4-(tert-butyl-dimethyl-silanyloxymethyl)-3a-methoxy-6b-methyl-decahydro-cyclobutadicyclopenten-1-yl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 1.) Co₂(CO)8, / 1.) DME, 1h, 25 deg.C 2.) DME, 4d, 60-65 deg.C

2: 98 percent / H₂ / 5percent Pd/C / methanol / 60 h

3: 1.) KH / 1.) DMSO, 60 deg.C, 10 min, 2.) DMSO, 60 deg.C, 6h

4: 1.)BH₃*SMe₂, 2.)NaOH, ethanol, 30percent H₂O₂ / 1.) THF, RT, 4h, 2.) THF, 60 deg. C, 1h

5: 72 percent / (C₂H₅)3N, DMAP / CH₂Cl₂ / 12 h

6: 94 percent / pyridine / 48 h / Ambient temperature

With dmap; sodium hydroxide; dicobalt octacarbonyl; ethanol; dimethylsulfide borane complex; hydrogen; dihydrogen peroxide; potassium hydride; triethylamine; palladium on activated charcoal; In pyridine; methanol; dichloromethane;
DOI:10.1021/jo00392a019