Technology Process of 2H-1-Benzopyran-2-ol, 3-bromo-3,4-dihydro-2-phenyl-, acetate, trans-
There total 8 articles about 2H-1-Benzopyran-2-ol, 3-bromo-3,4-dihydro-2-phenyl-, acetate, trans- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 63 mg / tri-n-butyltin hydride / benzene / 0.5 h / Heating; further reagents
2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C
3: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h
With
lithium aluminium tetrahydride; aluminium trichloride; bromine; tri-n-butyl-tin hydride;
In
tetrahydrofuran; diethyl ether; acetic anhydride; acetic acid; benzene;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 40 mg / tri-n-butyltin hydride / benzene / 4 h / Heating
2: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C
3: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h
With
lithium aluminium tetrahydride; aluminium trichloride; bromine; tri-n-butyl-tin hydride;
In
tetrahydrofuran; diethyl ether; acetic anhydride; acetic acid; benzene;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 0.76 g / aluminium chloride, lithium aluminium hydride / tetrahydrofuran; diethyl ether / 0.33 h / 0 °C
2: 2.87 g / bromine / acetic acid; acetic anhydride / 6 h
With
lithium aluminium tetrahydride; aluminium trichloride; bromine;
In
tetrahydrofuran; diethyl ether; acetic anhydride; acetic acid;