(2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

Base Information

• Chemical Name: (2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene
• CAS No.: 119065-86-0
• Molecular Formula: C₃₁H₂₈O₁₁
• Molecular Weight: 576.557

Synonyms:

Chemical Property of (2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

Chemical Property:

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Technology Process of (2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

There total 1 articles about (2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene 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:

(-)-fisetidinol-(4β,8)-(+)-catechin-O-methyl ether (119065-89-3) → 8,9-cis-9,10-trans-tetrahydro-2H,8H-pyrano<2,3-h>chromane (119067-92-4) + 8,9-trans-9,10-trans-tetrahydropyrano<2,3-h>chromene (119002-92-5) + (2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene (119065-86-0) + 8,9-cis-9,10-trans-tetrahydropyrano<2,3-h>chromene (118964-24-2)

Guidance literature:

With sodium hydrogencarbonate; sodium carbonate; In water; at 50 ℃; for 3h;

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + acetic anhydride (108-24-7) + (2R,3S:8S,9R,10S)-3,9-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(2,4-dihydroxyphenyl)-10-(3,4-dihydroxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene (119065-86-0) → (2R,3S:8S,9R,10S)-3,9-diacetoxy-2,10-bis(3,4-dimethoxyphenyl)-8-(2,4-dimethoxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene (118964-23-1,119065-85-9,119065-98-4,119067-94-6,130932-47-7,130932-49-9,130932-50-2)

Guidance literature:

With pyridine; Multistep reaction; 1.) MeOH-diethylether, -15 deg C, 48 h, 2.) RT;

upstream raw materials:

(-)-fisetidinol-(4β,8)-(+)-catechin-O-methyl ether

Downstream raw materials:

(2R,3S:8S,9R,10S)-3,9-diacetoxy-2,10-bis(3,4-dimethoxyphenyl)-8-(2,4-dimethoxyphenyl)-2,3-trans-8,9-trans-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

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