Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

Base Information

Chemical Name:Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester
CAS No.:176168-95-9
Molecular Formula:C₅₄H₅₆O₁₀
Molecular Weight:865.033
Hs Code.:

Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

Synonyms:Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

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Chemical Property of Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

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Technology Process of Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

There total 6 articles about Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-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%

: 107802-80-2
(2S,3R,4R,5S,6R)-3,4,5-Tris-benzyloxy-2-methyl-6-methylsulfanyl-tetrahydro-pyran

: 176168-91-5
1,5-Anhydro-6-O-benzoyl-2,3-di-O-benzyl-D-glucitol

: 176168-95-9
Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

Guidance literature:: With 4 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In benzene; for 23h; Ambient temperature;
DOI:10.1080/07328309608005435

Reference yield:

: 100-39-0
benzyl bromide

: 176168-95-9
Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 99 percent / NaH / dimethylformamide / 1.) 0 deg C, 1 h, 2.) r.t., 3 h

2: 80percent aq. AcOH / 3 h / 45 °C

3: 64 percent / pyridine / CH₂Cl₂ / 1 h / -50 °C

4: 97 percent / molecular sieves 4 Angstroem, dimethyl(methylthio)sulfonium triflate / benzene / 23 h / Ambient temperature

With pyridine; 4 A molecular sieve; sodium hydride; acetic acid; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In dichloromethane; N,N-dimethyl-formamide; benzene;
DOI:10.1080/07328309608005435

Reference yield:

: 98-88-4
benzoyl chloride

: 176168-95-9
Benzoic acid (2R,3R,4R,5S)-4,5-bis-benzyloxy-3-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 64 percent / pyridine / CH₂Cl₂ / 1 h / -50 °C

2: 97 percent / molecular sieves 4 Angstroem, dimethyl(methylthio)sulfonium triflate / benzene / 23 h / Ambient temperature

With pyridine; 4 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In dichloromethane; benzene;
DOI:10.1080/07328309608005435