(S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

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Chemical Name:(S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol
CAS No.:211231-22-0
Molecular Formula:C₃₇H₄₂O₈
Molecular Weight:614.736
Hs Code.:

Synonyms:(S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

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Chemical Property of (S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

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Technology Process of (S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

There total 6 articles about (S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol 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: 28.6%

: 3587-60-8
Benzyloxymethyl chloride

: (2R,3S,4S,5S,6S)-4,5-Bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-carbaldehyde

: 2-Benzyloxy-1-[(2S,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

: 211231-22-0
(S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

Guidance literature:: With magnesium; In tetrahydrofuran; for 14h;
DOI:10.1016/S0008-6215(98)00037-8

Reference yield:

: 100-39-0
benzyl bromide

: 211231-22-0
(S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

Guidance literature:: Multi-step reaction with 4 steps

1: 95.1 percent / NaH / dimethylformamide

2: 34 percent / 3 Angstroem molecular sieves, NaBH₃CN, Me₃SiCl / acetonitrile

3: (COCl)2; Me₂SO / CH₂Cl₂ / 1 h / -60 °C

4: 28.6 percent / Mg / tetrahydrofuran / 14 h

With chloro-trimethyl-silane; oxalyl dichloride; 3 A molecular sieve; sodium hydride; sodium cyanoborohydride; magnesium; dimethyl sulfoxide; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0008-6215(98)00037-8

Reference yield:

: 124151-49-1
methyl 4,6-O-(p-methoxybenzylidene)-α-D-mannopyranoside

: 211231-22-0
(S)-2-Benzyloxy-1-[(2R,3S,4S,5S,6S)-4,5-bis-benzyloxy-6-methoxy-3-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-yl]-ethanol

Guidance literature:: Multi-step reaction with 4 steps

1: 95.1 percent / NaH / dimethylformamide

2: 34 percent / 3 Angstroem molecular sieves, NaBH₃CN, Me₃SiCl / acetonitrile

3: (COCl)2; Me₂SO / CH₂Cl₂ / 1 h / -60 °C

4: 28.6 percent / Mg / tetrahydrofuran / 14 h

With chloro-trimethyl-silane; oxalyl dichloride; 3 A molecular sieve; sodium hydride; sodium cyanoborohydride; magnesium; dimethyl sulfoxide; In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0008-6215(98)00037-8