Technology Process of 3H-Pyrrolo[4,3,2-gh]-1,4-benzodiazonin-3-one,9-(1,1-dimethyl-2-propenyl)-1,2,4,5,6,8-hexahydro-5-(hydroxymethyl)-1-methyl-2-(1-methylethyl)-,(2S,5S)-(9ci)
There total 44 articles about 3H-Pyrrolo[4,3,2-gh]-1,4-benzodiazonin-3-one,9-(1,1-dimethyl-2-propenyl)-1,2,4,5,6,8-hexahydro-5-(hydroxymethyl)-1-methyl-2-(1-methylethyl)-,(2S,5S)-(9ci) 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
sodium tetrahydroborate; lithium chloride;
In
tetrahydrofuran; ethanol;
at 20 ℃;
for 10h;
DOI:10.1016/S0040-4020(01)87818-2
- Guidance literature:
-
With
tetrabutyl ammonium fluoride;
In
tetrahydrofuran;
DOI:10.1039/c4sc00256c
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 1) ClCO2Et-THF, Et3N / 1) THF, -20 deg C, 15 min, 2a) -20 deg C, 15 min, 2b) 18 deg C, 1.5h
2: 31 mg / Mg / tetrahydrofuran / 2.25 h / -20 °C
3: 85 percent / p-TsOH*H2O / benzene / 0.05 h / 90 °C
4: 78 percent / Lawesson reagent / tetrahydrofuran / 0.5 h / 80 °C
5: 73 percent / MeI / dimethylformamide / 18 h / 20 °C
6: 57 percent / Na2CO3 / CH2Cl2 / 18 h / 20 °C
7: 90 percent / Al-Hg, water / tetrahydrofuran / 2 h / 45 - 50 °C
8: TFA / 28 h / 20 °C
9: 5percent Et3N/DMF, 5percent DEPC/DMF / dimethylformamide / 24 h / 20 °C
10: 97 percent / NaBH4, LiCl / ethanol; tetrahydrofuran / 10 h / 20 °C
With
Lawessons reagent; sodium tetrahydroborate; aluminium amalgam; water; chloroformic acid ethyl ester; sodium carbonate; toluene-4-sulfonic acid; magnesium; triethylamine; N,N-dimethyl-formamide; diethyl dicarbonate; trifluoroacetic acid; lithium chloride; methyl iodide;
In
tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; benzene;
DOI:10.1016/S0040-4020(01)87818-2