Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester

Base Information

• Chemical Name: Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester
• CAS No.: 130659-25-5
• Molecular Formula: C₃₁H₂₆O₁₀
• Molecular Weight: 558.541

Synonyms:Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester

Chemical Property of Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester

Chemical Property:

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Technology Process of Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester

There total 1 articles about Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl 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:

benzyl chloroformate (501-53-1,94274-21-2) + (2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol (490-46-0) → Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester (130659-25-5)

Guidance literature:

With sodium hydroxide; boric acid; In water; toluene; for 1h; Yield given; Ambient temperature;

DOI:10.1016/0040-4039(90)80149-G

Reference yield: 100.0%

diazomethane (186581-53-3,908094-01-9,334-88-3) + Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dihydroxy-phenyl)-3-hydroxy-chroman-7-yl ester (130659-25-5) → Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dimethoxy-phenyl)-3-hydroxy-chroman-7-yl ester (130659-26-6)

Guidance literature:

In diethyl ether; at 0 ℃; for 1h;

DOI:10.1016/0040-4039(90)80149-G

upstream raw materials:

benzyl chloroformate

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

Downstream raw materials:

Carbonic acid benzyl ester (2R,3R)-5-benzyloxycarbonyloxy-2-(3,4-dimethoxy-phenyl)-3-hydroxy-chroman-7-yl ester

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