Technology Process of (3,4-dihydro-7-methoxybenzopyran-3-yl)-1,4-benzoquinone
There total 8 articles about (3,4-dihydro-7-methoxybenzopyran-3-yl)-1,4-benzoquinone 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:
-
With
potassium dihydrogenphosphate; potassium nitrososulfonate;
In
methanol; acetone;
at 25 ℃;
for 4h;
DOI:10.1248/cpb.48.964
- Guidance literature:
-
3-chromene;
With
borane-THF;
In
tetrahydrofuran;
at 20 ℃;
for 5h;
p-benzoquinone;
With
air;
In
tetrahydrofuran; water;
at 20 ℃;
for 2h;
DOI:10.1021/jo030026j
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 85 percent / aq. NaOH / ethanol / 2 h / 30 - 40 °C
2: pyridine / 24 h / 20 °C
3: thallium nitrate trihydrate / 9 h / 25 °C
4: aq. HCl / methanol / 9 h / 30 - 40 °C
5: 90 percent / H2; AcOH / 10 percent Pd/C / 2 h / 20 °C
6: 65 percent / aq. KH2PO4; K(SO3)2NO / acetone; methanol / 4 h / 25 °C
With
pyridine; hydrogenchloride; sodium hydroxide; potassium dihydrogenphosphate; thallium(I) nitrate; potassium nitrososulfonate; hydrogen; acetic acid;
palladium on activated charcoal;
In
methanol; ethanol; acetone;
DOI:10.1248/cpb.48.964
