Technology Process of 1-Bromo-3,4-dihydro-1H-2-benzopyran
There total 15 articles about 1-Bromo-3,4-dihydro-1H-2-benzopyran 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
tetrachloromethane; bromine;
Irradiation.Bestrahlung mit UV-Licht;
- Guidance literature:
-
Multi-step reaction with 6 steps
2: 91 percent / lithium aluminum hydride / diethyl ether / 1 h / Heating
3: 98 percent / PCC
4: 38 percent / methanol / 24 h / Heating
5: 0.2 M NaOCH3 / methanol / 2 h / Ambient temperature; Irradiation
6: bromine / benzene / Irradiation
With
lithium aluminium tetrahydride; bromine; sodium methylate; pyridinium chlorochromate;
In
methanol; diethyl ether; benzene;
DOI:10.1021/ja00186a048
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 38 percent / methanol / 24 h / Heating
2: 0.2 M NaOCH3 / methanol / 2 h / Ambient temperature; Irradiation
3: bromine / benzene / Irradiation
With
bromine; sodium methylate;
In
methanol; benzene;
DOI:10.1021/ja00186a048
