2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

Base Information

Chemical Name:2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone
CAS No.:136850-88-9
Molecular Formula:C₃₅H₃₀O₆
Molecular Weight:546.62
Hs Code.:

Synonyms:2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

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Chemical Property of 2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

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Technology Process of 2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

There total 5 articles about 2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone 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:

: 136850-87-8
3-(2,4-Bis-benzyloxy-phenyl)-6-hydroxy-5-methoxy-8,8-dimethyl-7,8-dihydro-6H-pyrano[3,2-g]chromen-4-one

: 136850-88-9
2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

Guidance literature:: With toluene-4-sulfonic acid; In toluene; at 110 ℃; for 0.333333h; Yield given;
DOI:10.1248/cpb.39.1704

Reference yield:

: 124360-59-4
6-acetyl-7-hydroxy-5-methoxy-2,2-dimethyl-4-chromanone

: 136850-88-9
2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

Guidance literature:: Multi-step reaction with 5 steps

1: 81 percent / KOH / ethanol / 7 h / Heating

2: pyridine

3: 1.) thallium(III) nitrate trihydrate, 2.) 10percent HCl / 1.) MeOH, 1,2-dichloroethane, 35-38 degC, 6h, 2.) reflux, 3h

4: NaBH₄ / tetrahydrofuran; H₂O / 0.5 h / 5 - 10 °C

5: p-toluenesulfonic acid monohydrate / toluene / 0.33 h / 110 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium tetrahydroborate; thallium(III) nitrate trihydrate; toluene-4-sulfonic acid; In tetrahydrofuran; ethanol; water; toluene;
DOI:10.1248/cpb.39.1704

Reference yield:

: 136850-86-7
7-<2,4-Bis(benzyloxy)phenyl>-2,3-dihydro-5-methoxy-2,2-dimethyl-4H,6H-benzo<1,2-b:5,4-b'>dipyran-4,6-dione

: 136850-88-9
2',4'-Bis(benzyloxy)-5-methoxy-2'',2''-dimethylpyrano<5'',6''-g>isoflavone

Guidance literature:: Multi-step reaction with 2 steps

1: NaBH₄ / tetrahydrofuran; H₂O / 0.5 h / 5 - 10 °C

2: p-toluenesulfonic acid monohydrate / toluene / 0.33 h / 110 °C

With sodium tetrahydroborate; toluene-4-sulfonic acid; In tetrahydrofuran; water; toluene;
DOI:10.1248/cpb.39.1704