Technology Process of (2S,3S,4S,5R,6S)-3,5-Bis-benzyloxy-6-methoxy-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-carbaldehyde
There total 8 articles about (2S,3S,4S,5R,6S)-3,5-Bis-benzyloxy-6-methoxy-4-(4-methoxy-benzyloxy)-tetrahydro-pyran-2-carbaldehyde 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
oxalyl dichloride; triethylamine;
In
dichloromethane; dimethyl sulfoxide;
078 deg C to rt;
DOI:10.1021/jo980501r
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 56 percent / Bu2SnO, Bu4NBr / toluene / Heating
2: 83 percent / p-TsOH monohydrate / methanol / 2 h / Ambient temperature
3: 65 percent / DMAP, Et3N / dimethylformamide / Ambient temperature; overnight
4: 95 percent / NaH / dimethylformamide / 2 h / Ambient temperature
5: 42 percent / aq. H2SO4 / methanol; acetone / 1 h / Ambient temperature
6: (COCl)2, Et3N / dimethylsulfoxide; CH2Cl2 / 078 deg C to rt
With
dmap; oxalyl dichloride; sulfuric acid; tetrabutylammomium bromide; sodium hydride; di(n-butyl)tin oxide; toluene-4-sulfonic acid; triethylamine;
In
methanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; acetone; toluene;
DOI:10.1021/jo980501r
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 95 percent / NaH / dimethylformamide / 2 h / Ambient temperature
2: 42 percent / aq. H2SO4 / methanol; acetone / 1 h / Ambient temperature
3: (COCl)2, Et3N / dimethylsulfoxide; CH2Cl2 / 078 deg C to rt
With
oxalyl dichloride; sulfuric acid; sodium hydride; triethylamine;
In
methanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; acetone;
DOI:10.1021/jo980501r
