Technology Process of (2R)-cis-methyl <5-deoxy-5-<5-(1,1-dimethylethoxy)-carbonyl>-1-<(4-methylphenyl)sulfonyl>-2-pyrrolidinyl>-2,3-O-(1-methylethylidene)-β-D-ribofuranoside
There total 9 articles about (2R)-cis-methyl <5-deoxy-5-<5-(1,1-dimethylethoxy)-carbonyl>-1-<(4-methylphenyl)sulfonyl>-2-pyrrolidinyl>-2,3-O-(1-methylethylidene)-β-D-ribofuranoside 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:
-
Multi-step reaction with 9 steps
1: 82 percent / CHCl3 / 22 h / 22 °C
2: 99 percent / H2 / 10percent Pd/C / methanol / 3102.9 Torr
3: 56 percent / m-CPBA / CH2Cl2 / 0.28 h / Heating
4: 86 percent / KF / acetonitrile / 24 h / 22 °C
5: 96 percent / dicyclohexylcarbodiimde, copper(I) chloride / acetonitrile / 16 h / 35 °C
6: 84 percent / zinc dust, acetic acid / tetrahydrofuran / 0.25 h / 45 °C
7: 81 percent / cerium(IV) ammonium nitrate, HNO3 / ethanol / 0.25 h / -42 °C
8: 80 percent / L-selectride / tetrahydrofuran / 2 h / -78 °C
9: 1) pyridine, 2) sodium hydride / 0 deg C, 1) 40 min, 2) THF, 3 h
With
pyridine; potassium fluoride; ammonium cerium(IV) nitrate; hydrogen; nitric acid; L-Selectride; sodium hydride; acetic acid; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide; copper(l) chloride; zinc;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; chloroform; acetonitrile;
DOI:10.1021/jo00290a028
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 99 percent / H2 / 10percent Pd/C / methanol / 3102.9 Torr
2: 56 percent / m-CPBA / CH2Cl2 / 0.28 h / Heating
3: 86 percent / KF / acetonitrile / 24 h / 22 °C
4: 96 percent / dicyclohexylcarbodiimde, copper(I) chloride / acetonitrile / 16 h / 35 °C
5: 84 percent / zinc dust, acetic acid / tetrahydrofuran / 0.25 h / 45 °C
6: 81 percent / cerium(IV) ammonium nitrate, HNO3 / ethanol / 0.25 h / -42 °C
7: 80 percent / L-selectride / tetrahydrofuran / 2 h / -78 °C
8: 1) pyridine, 2) sodium hydride / 0 deg C, 1) 40 min, 2) THF, 3 h
With
pyridine; potassium fluoride; ammonium cerium(IV) nitrate; hydrogen; nitric acid; L-Selectride; sodium hydride; acetic acid; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide; copper(l) chloride; zinc;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; acetonitrile;
DOI:10.1021/jo00290a028
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 86 percent / KF / acetonitrile / 24 h / 22 °C
2: 96 percent / dicyclohexylcarbodiimde, copper(I) chloride / acetonitrile / 16 h / 35 °C
3: 84 percent / zinc dust, acetic acid / tetrahydrofuran / 0.25 h / 45 °C
4: 81 percent / cerium(IV) ammonium nitrate, HNO3 / ethanol / 0.25 h / -42 °C
5: 80 percent / L-selectride / tetrahydrofuran / 2 h / -78 °C
6: 1) pyridine, 2) sodium hydride / 0 deg C, 1) 40 min, 2) THF, 3 h
With
pyridine; potassium fluoride; ammonium cerium(IV) nitrate; nitric acid; L-Selectride; sodium hydride; acetic acid; dicyclohexyl-carbodiimide; copper(l) chloride; zinc;
In
tetrahydrofuran; ethanol; acetonitrile;
DOI:10.1021/jo00290a028