(2R)-2α-(3,4-Dimethoxyphenyl)-3,4-dihydro-7-methoxy-2H-1-benzopyran-3β,4α-diol

Base Information

• Chemical Name: (2R)-2α-(3,4-Dimethoxyphenyl)-3,4-dihydro-7-methoxy-2H-1-benzopyran-3β,4α-diol
• CAS No.: 1166-04-7
• Molecular Formula: C18H20O6
• Molecular Weight: 332.353
• Mol file: 1166-04-7.mol

Synonyms:(2R)-2α-(3,4-Dimethoxyphenyl)-3,4-dihydro-7-methoxy-2H-1-benzopyran-3β,4α-diol

Chemical Property of (2R)-2α-(3,4-Dimethoxyphenyl)-3,4-dihydro-7-methoxy-2H-1-benzopyran-3β,4α-diol

Chemical Property:

• PSA: 77.38000
• LogP: 2.24040

Purity/Quality:

98%,99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R)-2α-(3,4-Dimethoxyphenyl)-3,4-dihydro-7-methoxy-2H-1-benzopyran-3β,4α-diol

There total 13 articles about (2R)-2α-(3,4-Dimethoxyphenyl)-3,4-dihydro-7-methoxy-2H-1-benzopyran-3β,4α-diol 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: 85.0%

(+/-)-2,3-trans-3-hydroxy-3',4',7-trimethoxyflavan (6515-24-8,30655-10-8,35090-88-1,50403-06-0,54300-93-5,62849-06-3,55125-20-7) → (+/-)-mollisacacidin 7,3',4'-trimethyl ether (1166-04-7,1166-05-8,4283-54-9,6818-04-8,19489-13-5,19489-14-6,31143-28-9,95422-44-9,104527-24-4,104527-25-5,132295-32-0)

Guidance literature:

With sodium tetrahydroborate; In methanol; at -20 ℃; for 3h;

Reference yield: 78.0%

(+/-)-2,3-trans-3-hydroxy-3',4',7-trimethoxyflavan (6515-24-8,30655-10-8,35090-88-1,50403-06-0,54300-93-5,62849-06-3,55125-20-7) → (+/-)-gleditsin 7,3',4'-trimethyl ether (1166-04-7,1166-05-8,4283-54-9,6818-04-8,19489-13-5,19489-14-6,31143-28-9,95422-44-9,104527-24-4,104527-25-5,132295-32-0) + (+/-)-mollisacacidin 7,3',4'-trimethyl ether (1166-04-7,1166-05-8,4283-54-9,6818-04-8,19489-13-5,19489-14-6,31143-28-9,95422-44-9,104527-24-4,104527-25-5,132295-32-0)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; at -30 ℃; for 4h;

Reference yield: 78.0%

(+/-)-2,3-trans-3-hydroxy-3',4',7-trimethoxyflavan (6515-24-8,30655-10-8,35090-88-1,50403-06-0,54300-93-5,62849-06-3,55125-20-7) → (+/-)-gleditsin 7,3',4'-trimethyl ether (1166-04-7,1166-05-8,4283-54-9,6818-04-8,19489-13-5,19489-14-6,31143-28-9,95422-44-9,104527-24-4,104527-25-5,132295-32-0) + (+/-)-mollisacacidin 7,3',4'-trimethyl ether (1166-04-7,1166-05-8,4283-54-9,6818-04-8,19489-13-5,19489-14-6,31143-28-9,95422-44-9,104527-24-4,104527-25-5,132295-32-0)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; at -30 ℃; for 4h;

upstream raw materials:

diazomethane

(+)-mollisacacidin

dimethyl sulfate

Tri-O-methyl-(-)-fisetinidol

Downstream raw materials:

(+/-)-mollisacacidin 7,3',4'-trimethyl ether

Tri-O-methyl-3,4-di-O-acetylfisetinidol-4α-ol

(3aR)-4c-(3,4-dimethoxy-phenyl)-7-methoxy-2,2-dimethyl-(3ar,9bc)-3a,9b-dihydro-4H-[1,3]dioxolo[4,5-c]chromene

(6R,6aS,7aR,13R,13aS,14aS)-6,13-Bis-(3,4-dimethoxy-phenyl)-3,10-dimethoxy-6a,13,13a,14a-tetrahydro-6H,7aH-5,7,12,14-tetraoxa-dibenzo[a,h]anthracene

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