(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

Base Information

Chemical Name:(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester
CAS No.:178318-74-6
Molecular Formula:C₆₃H₅₆O₁₆
Molecular Weight:1069.13
Hs Code.:

(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

Synonyms:(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

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Chemical Property of (2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

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Technology Process of (2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

There total 12 articles about (2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl 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: 96.0%

: triphenylmethyl perchlorate

: 178318-71-3
(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-5-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

: 178318-74-6
(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

Guidance literature:: With 2,3,5-trimethyl-pyridine; In dichloromethane; for 2h;

Reference yield:

: 98-88-4
benzoyl chloride

: 178318-74-6
(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 88 percent / C₅H₅N / CH₂Cl₂ / 4 h / Ambient temperature

2: 77 percent / conc. H₂SO₄ / 2 h / Ambient temperature

3: 90 percent / AcBr, MeOH / CH₂Cl₂ / 2 h / Ambient temperature

4: 96 percent / AgOTf, 2,4,6-collidine / CH₂Cl₂ / 1 h / -10 °C

5: 92 percent / (NH₂)2CS / acetonitrile; H₂O / 20 h / 20 °C

6: 96 percent / collidine / CH₂Cl₂ / 2 h

With pyridine; 2,4,6-trimethyl-pyridine; 2,3,5-trimethyl-pyridine; methanol; Acetyl bromide; sulfuric acid; silver trifluoromethanesulfonate; thiourea; In dichloromethane; water; acetonitrile;

Reference yield:

: 85451-23-6
2,3-di-O-benzoyl-4-O-chloroacetyl-α-L-rhamnopyranosyl bromide

: 178318-74-6
(2R,3aS,5R,6R,7S,7aS)-7-Benzoyloxy-5-benzoyloxymethyl-6-((2S,3R,4R,5S,6S)-3,4-bis-benzoyloxy-6-methyl-5-trityloxy-tetrahydro-pyran-2-yloxy)-2-methyl-tetrahydro-[1,3]dioxolo[4,5-b]pyran-2-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 96 percent / AgOTf, 2,4,6-collidine / CH₂Cl₂ / 1 h / -10 °C

2: 92 percent / (NH₂)2CS / acetonitrile; H₂O / 20 h / 20 °C

3: 96 percent / collidine / CH₂Cl₂ / 2 h

With 2,4,6-trimethyl-pyridine; 2,3,5-trimethyl-pyridine; silver trifluoromethanesulfonate; thiourea; In dichloromethane; water; acetonitrile;