4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

Base Information

Chemical Name:4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone
CAS No.:90486-62-7
Molecular Formula:C₂₂H₂₂O₇
Molecular Weight:398.412
Hs Code.:

Synonyms:4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

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Chemical Property of 4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

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Technology Process of 4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

There total 9 articles about 4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>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: 89.0%

: 90486-61-6
4',5-bis(benzyloxy)-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

: 90486-62-7
4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

Guidance literature:: With hydrogen; palladium on activated charcoal; In methanol; ethyl acetate;
DOI:10.1248/cpb.36.592

Reference yield:

: 90509-72-1
Acetic acid 7-benzyloxy-6-[(E)-3-(4-benzyloxy-2,5-dimethoxy-phenyl)-acryloyl]-2,2-dimethyl-chroman-5-yl ester

: 90486-62-7
4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) thallium (III) nitrate, 2.) hydrochloric acid / 1.) methanol

2: 10percent Pd-C / methanol; ethyl acetate

With hydrogenchloride; thallium(III) nitrate; palladium on activated charcoal; In methanol; ethyl acetate;

Reference yield:

: 18113-18-3
2,5-dimethoxyphenol

: 90486-62-7
4',5-dihydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<6,5-h>isoflavone

Guidance literature:: Multi-step reaction with 6 steps

1: 90 percent / K₂CO₃ / dimethylformamide / 1 h / 140 °C

2: 1.) POCl₃ / 1.) 10 deg C, 2.) ClCH₂CH₂Cl

3: 48 percent / piperidine / ethanol / 6 h / Heating

4: 84 percent / pyridine

5: 1.) thallium(III) nitrate trihydrate, 2.) 10 percent hydrochloric acid / 1.) MeOH, 35 - 36 deg C, 7 h, 2.) MeOH, reflux, 3 h

6: 89 percent / hydrogen / 10 5 palladium/charcoal / methanol; ethyl acetate

With piperidine; pyridine; hydrogenchloride; thallium(III) nitrate trihydrate; hydrogen; potassium carbonate; trichlorophosphate; palladium on activated charcoal; In methanol; ethanol; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1248/cpb.36.592