toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

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Chemical Name:toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester
CAS No.:925231-70-5
Molecular Formula:C₂₇H₄₈O₇SSi
Molecular Weight:544.825
Hs Code.:

Synonyms:toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

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Chemical Property of toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

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Technology Process of toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

There total 6 articles about toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl 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:

: 925231-66-9
methoxymethoxy-[2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-acetaldehyde

: 925231-70-5
toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: molecular sieves 4 Angstroem / toluene / 36 h / -78 °C

1.2: aq. NaOH / toluene / 1 h / 0 °C

2.1: 99 percent / collidine / CH₂Cl₂ / 2 h / 20 °C

3.1: 92 percent / cerium(IV) ammonium nitrate / acetonitrile; H₂O / 2 h / 0 °C

4.1: 99 percent / Et₃N / CH₂Cl₂ / 6 h / 0 °C

With 2,3,5-trimethyl-pyridine; ammonium cerium(IV) nitrate; 4 A molecular sieve; triethylamine; In dichloromethane; water; toluene; acetonitrile; 1.1: Roush crotylation;
DOI:10.1002/anie.200603363

Reference yield:

: 925231-64-7
hydroxy-[2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-acetic acid ethyl ester

: 925231-70-5
toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

Guidance literature:: Multi-step reaction with 6 steps

1.1: 95 percent / 4-(dimethylamino)pyridine; ethyldiisopropylamine / CH₂Cl₂ / 10 h / Heating

2.1: 75 percent / diisobutylaluminum hydride / CH₂Cl₂; hexane / 2 h / -78 °C

3.1: molecular sieves 4 Angstroem / toluene / 36 h / -78 °C

3.2: aq. NaOH / toluene / 1 h / 0 °C

4.1: 99 percent / collidine / CH₂Cl₂ / 2 h / 20 °C

5.1: 92 percent / cerium(IV) ammonium nitrate / acetonitrile; H₂O / 2 h / 0 °C

6.1: 99 percent / Et₃N / CH₂Cl₂ / 6 h / 0 °C

With 2,3,5-trimethyl-pyridine; dmap; ammonium cerium(IV) nitrate; 4 A molecular sieve; diisobutylaluminium hydride; triethylamine; N-ethyl-N,N-diisopropylamine; In hexane; dichloromethane; water; toluene; acetonitrile; 3.1: Roush crotylation;
DOI:10.1002/anie.200603363

Reference yield:

: 925231-65-8
methoxymethoxy-[2-(4-methoxy-phenyl)-[1,3]dioxan-4-yl]-acetic acid ethyl ester

: 925231-70-5
toluene-4-sulfonic acid 3-hydroxy-4-methoxymethoxy-6-methyl-5-triisopropylsilanyloxy-oct-7-enyl ester

Guidance literature:: Multi-step reaction with 5 steps

1.1: 75 percent / diisobutylaluminum hydride / CH₂Cl₂; hexane / 2 h / -78 °C

2.1: molecular sieves 4 Angstroem / toluene / 36 h / -78 °C

2.2: aq. NaOH / toluene / 1 h / 0 °C

3.1: 99 percent / collidine / CH₂Cl₂ / 2 h / 20 °C

4.1: 92 percent / cerium(IV) ammonium nitrate / acetonitrile; H₂O / 2 h / 0 °C

5.1: 99 percent / Et₃N / CH₂Cl₂ / 6 h / 0 °C

With 2,3,5-trimethyl-pyridine; ammonium cerium(IV) nitrate; 4 A molecular sieve; diisobutylaluminium hydride; triethylamine; In hexane; dichloromethane; water; toluene; acetonitrile; 2.1: Roush crotylation;
DOI:10.1002/anie.200603363