Technology Process of 5,10-Dihydro-6,7-dimethyl-4H-benzo[5,6]cyclohepta[1,2-b]furan
There total 9 articles about 5,10-Dihydro-6,7-dimethyl-4H-benzo[5,6]cyclohepta[1,2-b]furan which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium cyanoborohydride;
In
N,N-dimethyl-formamide;
at 120 ℃;
for 12h;
DOI:10.1039/P19810003087
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 96 percent / aq. potassium hydroxide
2: 62 percent / lithium aluminium hydride / tetrahydrofuran
3: 98 percent / pyridinium chlorochromate / CH2Cl2
4: 45 percent / sodium hydride, 15-crown-5 / bis-(2-methoxy-ethyl) ether / 1) 80 deg C, 1.5 h; 2) room temperature, 1 h
5: 54 percent / hydrogen, chlorotris(triphenylphosphine)rhodium / ethanol; benzene / 336 h / 70 °C / 121600 Torr
6: 69 percent / aq. sodium hydroxide / ethanol / 1 h / Heating
7: thionyl chloride / benzene / 2 h / Heating
8: 7.52 g / aluminium chloride / nitrobenzene / 1) room temperature, 16 h; 2) 80 deg C, 4 h
9: toluene-4-sulphonic acid / ethanol / 16 h / 80 °C
10: 290 mg / sodium cyanotrihydridoborate / dimethylformamide / 12 h / 120 °C
With
potassium hydroxide; sodium hydroxide; Wilkinson's catalyst; lithium aluminium tetrahydride; aluminium trichloride; thionyl chloride; 15-crown-5; hydrogen; sodium hydride; sodium cyanoborohydride; toluene-4-sulfonic acid; pyridinium chlorochromate;
In
tetrahydrofuran; ethanol; dichloromethane; diethylene glycol dimethyl ether; nitrobenzene; N,N-dimethyl-formamide; benzene;
DOI:10.1039/P19810003087
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 45 percent / sodium hydride, 15-crown-5 / bis-(2-methoxy-ethyl) ether / 1) 80 deg C, 1.5 h; 2) room temperature, 1 h
2: 54 percent / hydrogen, chlorotris(triphenylphosphine)rhodium / ethanol; benzene / 336 h / 70 °C / 121600 Torr
3: 69 percent / aq. sodium hydroxide / ethanol / 1 h / Heating
4: thionyl chloride / benzene / 2 h / Heating
5: 7.52 g / aluminium chloride / nitrobenzene / 1) room temperature, 16 h; 2) 80 deg C, 4 h
6: toluene-4-sulphonic acid / ethanol / 16 h / 80 °C
7: 290 mg / sodium cyanotrihydridoborate / dimethylformamide / 12 h / 120 °C
With
sodium hydroxide; Wilkinson's catalyst; aluminium trichloride; thionyl chloride; 15-crown-5; hydrogen; sodium hydride; sodium cyanoborohydride; toluene-4-sulfonic acid;
In
ethanol; diethylene glycol dimethyl ether; nitrobenzene; N,N-dimethyl-formamide; benzene;
DOI:10.1039/P19810003087