Technology Process of 13-cis-9-demethylretinal
There total 9 articles about 13-cis-9-demethylretinal which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 100 percent / LiAlH4 / tetrahydrofuran / 1a) 0 deg C to room temperature, 30 min, 1b) room temperature, 1 h
2: 82 percent / activated MnO2 / petroleum ether / 6 h
3: 1.) sodium hydride / 1.) THF, 0-20 deg C, 2.) ice-bath temperature to room temperature
4: 90 percent / diisobutylaluminium hydride
5: 1.) sodium hydride / 1.) THF, 0 deg C to room temperature, 30 min, 2.) 0 deg C to room temperature, 60 min
6: diisobutylaluminium hydride
With
manganese(IV) oxide; lithium aluminium tetrahydride; sodium hydride; diisobutylaluminium hydride;
In
tetrahydrofuran; Petroleum ether;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 82 percent / activated MnO2 / petroleum ether / 6 h
2: 1.) sodium hydride / 1.) THF, 0-20 deg C, 2.) ice-bath temperature to room temperature
3: 90 percent / diisobutylaluminium hydride
4: 1.) sodium hydride / 1.) THF, 0 deg C to room temperature, 30 min, 2.) 0 deg C to room temperature, 60 min
5: diisobutylaluminium hydride
With
manganese(IV) oxide; sodium hydride; diisobutylaluminium hydride;
In
Petroleum ether;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) sodium hydride / 1.) THF, 0-20 deg C, 2.) ice-bath temperature to room temperature
2: 90 percent / diisobutylaluminium hydride
3: 1.) sodium hydride / 1.) THF, 0 deg C to room temperature, 30 min, 2.) 0 deg C to room temperature, 60 min
4: diisobutylaluminium hydride
With
sodium hydride; diisobutylaluminium hydride;