Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

Base Information

Chemical Name:Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester
CAS No.:256413-32-8
Molecular Formula:C₃₃H₄₄O₈S₂Si
Molecular Weight:660.925
Hs Code.:

Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

Synonyms:Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

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Chemical Property of Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

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Technology Process of Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

There total 8 articles about Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl 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: 97.0%

: 98-59-9
p-toluenesulfonyl chloride

: 256413-31-7
(2R,3S,4S,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxymethyl-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-3-ol

: 256413-32-8
Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

Guidance literature:: With pyridine; at 0 - 25 ℃; for 12h;
DOI:10.1002/(SICI)1521-3773(19991115)38:22<3345::AID-ANIE3345>3.0.CO;2-9 DOI:10.1002/1521-3765(20000901)6:17<3149::AID-CHEM3149>3.0.CO;2-L

Reference yield:

: 71676-30-7,87508-17-6,138922-03-9,87508-18-7
phenyl 4,6-di-O-benzylidene-1-thio-β-D-galactopyranoside

: 256413-32-8
Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: nBu₂SnO / toluene / 3 h / Heating

1.2: 87 percent / nBu₄NI / 2 h / 25 - 110 °C

2.1: 97 percent / 2,6-lutidine / CH₂Cl₂ / 1 h / 0 - 25 °C

3.1: 77 percent / EtSH; Zn(OTf)2 / CH₂Cl₂ / 2 h / 0 °C

4.1: 97 percent / pyridine / 12 h / 0 - 25 °C

With pyridine; 2,6-dimethylpyridine; zinc trifluoromethanesulfonate; di(n-butyl)tin oxide; ethanethiol; In dichloromethane; toluene; 1.1: Cyclization / 1.2: Ring cleavage / 2.1: Etherification / 3.1: Ring cleavage / 4.1: Tosylation;
DOI:10.1002/1521-3765(20000901)6:17<3149::AID-CHEM3149>3.0.CO;2-L

Reference yield:

: 179072-68-5
phenyl 4,6-O-benzylidene-3-O-(p-methoxybenzyl)-1-thio-β-D-galactopyranoside

: 256413-32-8
Toluene-4-sulfonic acid (2R,3S,4S,5R,6S)-5-(tert-butyl-dimethyl-silanyloxy)-3-hydroxy-4-(4-methoxy-benzyloxy)-6-phenylsulfanyl-tetrahydro-pyran-2-ylmethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 97 percent / 2,6-lutidine / CH₂Cl₂ / 1 h / 0 - 25 °C

2: 77 percent / EtSH; Zn(OTf)2 / CH₂Cl₂ / 2 h / 0 °C

3: 97 percent / pyridine / 12 h / 0 - 25 °C

With pyridine; 2,6-dimethylpyridine; zinc trifluoromethanesulfonate; ethanethiol; In dichloromethane; 1: Etherification / 2: Ring cleavage / 3: Tosylation;
DOI:10.1002/1521-3765(20000901)6:17<3149::AID-CHEM3149>3.0.CO;2-L