Technology Process of 4'-benzyloxy-5-hydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<5,6-g>isoflavone
There total 8 articles about 4'-benzyloxy-5-hydroxy-2',5'-dimethoxy-2,2-dimethyldihydropyrano<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:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 45 percent / H3PO4 / xylene / 30 - 35 °C
2: 10 percent / K2CO3 / hexamethylphosphoric acid triamide / 0.67 h / 105 °C
3: 1.) piperidine, 2.) sodium acetate / 1.) ethanol, 6 h, reflux
4: 1.) thallium(III) nitrate trihydrate, 2.) 10 percent hydrochloric acid / 1.) MeOH, 35 - 36 deg C, 8 h, 2.) MeOH, reflux, 3 h
With
piperidine; hydrogenchloride; thallium(III) nitrate trihydrate; phosphoric acid; sodium acetate; potassium carbonate;
In
N,N,N,N,N,N-hexamethylphosphoric triamide; xylene;
DOI:10.1248/cpb.36.592
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 10 percent / K2CO3 / hexamethylphosphoric acid triamide / 0.67 h / 105 °C
2: 1.) piperidine, 2.) sodium acetate / 1.) ethanol, 6 h, reflux
3: 1.) thallium(III) nitrate trihydrate, 2.) 10 percent hydrochloric acid / 1.) MeOH, 35 - 36 deg C, 8 h, 2.) MeOH, reflux, 3 h
With
piperidine; hydrogenchloride; thallium(III) nitrate trihydrate; sodium acetate; potassium carbonate;
In
N,N,N,N,N,N-hexamethylphosphoric triamide;
DOI:10.1248/cpb.36.592
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 45 percent / H3PO4 / xylene / 30 - 35 °C
2: 10 percent / K2CO3 / hexamethylphosphoric acid triamide / 0.67 h / 105 °C
3: 1.) piperidine, 2.) sodium acetate / 1.) ethanol, 6 h, reflux
4: 1.) thallium(III) nitrate trihydrate, 2.) 10 percent hydrochloric acid / 1.) MeOH, 35 - 36 deg C, 8 h, 2.) MeOH, reflux, 3 h
With
piperidine; hydrogenchloride; thallium(III) nitrate trihydrate; phosphoric acid; sodium acetate; potassium carbonate;
In
N,N,N,N,N,N-hexamethylphosphoric triamide; xylene;
DOI:10.1248/cpb.36.592
