8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

Base Information

• Chemical Name: 8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene
• CAS No.: 128428-20-6
• Molecular Formula: C₃₀H₂₆O₁₂
• Molecular Weight: 578.529
• Mol file: 128428-20-6.mol

Synonyms:8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

Chemical Property of 8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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Technology Process of 8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene

There total 3 articles about 8,9-cis-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: 9.0%

procyanidin B3 (23567-23-9) → 8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene (128428-20-6) + (2R,3R,4S,2'R,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,8']bichromenyl-3,5,7,3',5',7'-hexaol (128428-22-8) + (2R,3R,4S,2'R,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,6']bichromenyl-3,5,7,3',5',7'-hexaol (128428-25-1) + catechin (154-23-4)

Guidance literature:

With sodium hydrogencarbonate; sodium carbonate; In water; at 45 ℃; for 1.5h; Further byproducts given;

Reference yield: 9.0%

procyanidin B3 (23567-23-9) → 8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene (128428-20-6) + (2R,3R,4S,2'R,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,8']bichromenyl-3,5,7,3',5',7'-hexaol (128428-22-8) + (2R,3R,4S,2'S,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,6']bichromenyl-3,5,7,3',5',7'-hexaol (128428-28-4) + catechin (154-23-4)

Guidance literature:

With sodium hydrogencarbonate; sodium carbonate; In water; at 45 ℃; for 1.5h; Further byproducts given;

Reference yield: 9.0%

procyanidin B3 (23567-23-9) → 8,9-cis-9,10-trans-3,4,9,10-tetrahydro-2H,8H-pyrano<2,3-h>chromene (128428-20-6) + (2R,3R,4S,2'R,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,8']bichromenyl-3,5,7,3',5',7'-hexaol (128428-22-8) + (2R,3R,4S,2'R,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,6']bichromenyl-3,5,7,3',5',7'-hexaol (128428-25-1) + (2R,3R,4S,2'S,3'S)-4,2'-Bis-(3,4-dihydroxy-phenyl)-3,4,3',4'-tetrahydro-2H,2'H-[2,6']bichromenyl-3,5,7,3',5',7'-hexaol (128428-28-4) + catechin (154-23-4)

Guidance literature:

With sodium hydrogencarbonate; sodium carbonate; In water; at 45 ℃; for 1.5h;

upstream raw materials:

procyanidin B₃