Technology Process of 1,4-anhydro-2,3-O-(S)-benzylidene-5,6-di-O-methyl-D-mannitol
There total 13 articles about 1,4-anhydro-2,3-O-(S)-benzylidene-5,6-di-O-methyl-D-mannitol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 71 percent / zinc chloride / 168 h
2: 76 percent / sodium methoxide / methanol / 1 h / Ambient temperature
3: 64 percent / acetic acid
4: 1.) sodium hydride / 1.) N,N-dimethylformamide, ice-cooling, 30 min; 2.) overnight, r.t.
With
sodium methylate; sodium hydride; zinc(II) chloride;
In
methanol; acetic acid;
DOI:10.1016/S0008-6215(00)90952-2
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 71 percent / zinc chloride / 168 h
2: 76 percent / sodium methoxide / methanol / 1 h / Ambient temperature
3: 64 percent / acetic acid
4: 25 percent / toluene-p-sulphonic acid / dimethylformamide / 168 h / 37 °C
5: 1.) sodium hydride / 1.) N,N-dimethylformamide, ice-cooling, 30 min; 2.) overnight, r.t.
With
sodium methylate; sodium hydride; toluene-4-sulfonic acid; zinc(II) chloride;
In
methanol; acetic acid; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)90952-2
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 71 percent / zinc chloride / 168 h
2: 76 percent / sodium methoxide / methanol / 1 h / Ambient temperature
3: 64 percent / acetic acid
4: 1.) sodium hydride / 1.) N,N-dimethylformamide, ice-cooling, 30 min; 2.) overnight, r.t.
With
sodium methylate; sodium hydride; zinc(II) chloride;
In
methanol; acetic acid;
DOI:10.1016/S0008-6215(00)90952-2