Technology Process of 4H-1-Benzopyran-4-one, 6-chloro-5,8-dihydroxy-2-phenyl-
There total 9 articles about 4H-1-Benzopyran-4-one, 6-chloro-5,8-dihydroxy-2-phenyl- 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
hydrogenchloride;
In
acetic acid;
for 0.0583333h;
Heating;
DOI:10.1021/jo00178a013
- Guidance literature:
-
With
pyridine; dipotassium peroxodisulfate; tetraethylammonium hydroxide;
In
water;
at 35 ℃;
for 20h;
DOI:10.1021/jo00178a013
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 1.05 g / sulfuryl chloride / acetic acid / 1.5 h, 115 deg C, then reflux , 30 min
2: 87.4 percent / pyridine / 0.5 h / Heating
3: 71.5 percent / powdered sodium hydroxide / pyridine / 4 h / Ambient temperature
4: acetic acid / 4 h / Heating
5: 89.3 percent / conc. HCl / acetic acid / 4 h / Heating
6: 1.05 g / tetraethylammonium hydroxide, Py., potassium peroxydisulfate, Py. / H2O / 20 h / 35 °C
With
pyridine; hydrogenchloride; sodium hydroxide; dipotassium peroxodisulfate; sulfuryl dichloride; tetraethylammonium hydroxide;
In
pyridine; water; acetic acid;
DOI:10.1021/jo00178a013