Technology Process of (2r,3s,3As,11ar)-7-amino-2-(hydroxymethyl)-2,3,3a,4,5,11a-hexahydrofuro[3',2':5,6]pyrido[1,2-e]purin-3-ol
There total 12 articles about (2r,3s,3As,11ar)-7-amino-2-(hydroxymethyl)-2,3,3a,4,5,11a-hexahydrofuro[3',2':5,6]pyrido[1,2-e]purin-3-ol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 1.) DMSO, (COCl)2; 2.) Et3N / 1.) CH2Cl2, -60 - -70 deg C; 30 min; 2.) CH2Cl2, THF, 30 min; 3.) r.t., 1.5 h
2: 74 percent / CH2Cl2 / 30 h / Ambient temperature
3: NaBH4 / ethanol / 6 h
4: 1.) pyridine, 4 h, 0 deg C; 2.) 0 deg C, overnight
5: 37 percent / LiI / butan-2-one / 0.67 h / Heating
6: 27 percent / AIBN, n-Bu3SnH / benzene / 2.17 h / Heating
7: 83 percent / 5 percent Pd-carbon / toluene / 55 h / Heating
8: 1.) conc. NH4OH; 2.) n-Bu4NF / 1.) dioxane, r.t., overnight; 2.) THF, 1 h, r.t.
With
ammonium hydroxide; sodium tetrahydroborate; palladium on activated charcoal; oxalyl dichloride; 2,2'-azobis(isobutyronitrile); tetrabutyl ammonium fluoride; tri-n-butyl-tin hydride; dimethyl sulfoxide; triethylamine; lithium iodide;
In
ethanol; dichloromethane; toluene; butanone; benzene;
DOI:10.1248/cpb.34.15
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 74 percent / CH2Cl2 / 30 h / Ambient temperature
2: NaBH4 / ethanol / 6 h
3: 1.) pyridine, 4 h, 0 deg C; 2.) 0 deg C, overnight
4: 37 percent / LiI / butan-2-one / 0.67 h / Heating
5: 27 percent / AIBN, n-Bu3SnH / benzene / 2.17 h / Heating
6: 83 percent / 5 percent Pd-carbon / toluene / 55 h / Heating
7: 1.) conc. NH4OH; 2.) n-Bu4NF / 1.) dioxane, r.t., overnight; 2.) THF, 1 h, r.t.
With
ammonium hydroxide; sodium tetrahydroborate; palladium on activated charcoal; 2,2'-azobis(isobutyronitrile); tetrabutyl ammonium fluoride; tri-n-butyl-tin hydride; lithium iodide;
In
ethanol; dichloromethane; toluene; butanone; benzene;
DOI:10.1248/cpb.34.15
- Guidance literature:
-
Multi-step reaction with 6 steps
1: NaBH4 / ethanol / 6 h
2: 1.) pyridine, 4 h, 0 deg C; 2.) 0 deg C, overnight
3: 37 percent / LiI / butan-2-one / 0.67 h / Heating
4: 27 percent / AIBN, n-Bu3SnH / benzene / 2.17 h / Heating
5: 83 percent / 5 percent Pd-carbon / toluene / 55 h / Heating
6: 1.) conc. NH4OH; 2.) n-Bu4NF / 1.) dioxane, r.t., overnight; 2.) THF, 1 h, r.t.
With
ammonium hydroxide; sodium tetrahydroborate; palladium on activated charcoal; 2,2'-azobis(isobutyronitrile); tetrabutyl ammonium fluoride; tri-n-butyl-tin hydride; lithium iodide;
In
ethanol; toluene; butanone; benzene;
DOI:10.1248/cpb.34.15