Technology Process of 1-<5-<2-(phenylsulfonyl)ethyl>-2α,3β,4β,5α-tetrahydro-3,4-di-O-benzoyl-2H-pyran-2-yl>-2-propanone
There total 7 articles about 1-<5-<2-(phenylsulfonyl)ethyl>-2α,3β,4β,5α-tetrahydro-3,4-di-O-benzoyl-2H-pyran-2-yl>-2-propanone which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 83 percent / p-TsOH / toluene / Heating
2: 52 percent / toluene / Heating
3: 76 percent / Et3N / CH2Cl2 / Ambient temperature
4: Rh2(OAc)4 / CH2Cl2 / Ambient temperature
With
toluene-4-sulfonic acid; triethylamine;
dirhodium tetraacetate;
In
dichloromethane; toluene;
DOI:10.1021/jo00119a023
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 85 percent / triphenylphosphine, CHI3, imidazole / toluene / 21 h / Heating
2: 80 percent / NBS, water / dimethylsulfoxide; H2O / 30 h / Ambient temperature
3: 91 percent / pyridine / 15 h / Ambient temperature
4: 80 percent / tributyltin chloride, cyanoborohydride, AIBN / 2-methyl-propan-2-ol / 4 h / Heating
5: 75 percent / cyclohexene / 10percent Pd/C / methanol / 16 h / Heating
6: 2.) DBU / 1.) acetonitrile, reflux, 48 h, 2.) acetonitrile, 0 deg C, 1 h
With
1H-imidazole; N-Bromosuccinimide; iodoform; 2,2'-azobis(isobutyronitrile); cyanoborane; tributyltin chloride; water; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; cyclohexene;
palladium on activated charcoal;
In
pyridine; methanol; water; dimethyl sulfoxide; toluene; tert-butyl alcohol;
DOI:10.1021/jo00242a017
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 80 percent / tributyltin chloride, cyanoborohydride, AIBN / 2-methyl-propan-2-ol / 4 h / Heating
2: 75 percent / cyclohexene / 10percent Pd/C / methanol / 16 h / Heating
3: 2.) DBU / 1.) acetonitrile, reflux, 48 h, 2.) acetonitrile, 0 deg C, 1 h
With
2,2'-azobis(isobutyronitrile); cyanoborane; tributyltin chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; cyclohexene;
palladium on activated charcoal;
In
methanol; tert-butyl alcohol;
DOI:10.1021/jo00242a017