Technology Process of (4R*,5S*)-5-Hydroxy-4-methyl-5-phenylpentanoic acid
There total 7 articles about (4R*,5S*)-5-Hydroxy-4-methyl-5-phenylpentanoic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 90 percent / 1.) VO(acac)2, 70percent aq. t-butylhydroperoxide / benzene / 1 h / 80 °C
2: 1.) oxalyl chloride, dmso, 2.) Et3N / 1.) CH2Cl2, -50 deg C, 1 h, 2.) room temp., 15 min
3: 1.) NaH / 1.) THF, 0 deg C, 15 min, 2.) 30 min
4: formic acid, Et3N / Pd2(dba)CHCl3-n-Bu3P / benzene / Ambient temperature; other solvents
5: H2 / 5percent Pd/C / ethyl acetate / 10 h / Ambient temperature
6: 10percent aq. NaOH / diethyl ether / 8 h / Ambient temperature
With
tert.-butylhydroperoxide; sodium hydroxide; formic acid; oxalyl dichloride; bis(acetylacetonate)oxovanadium; hydrogen; sodium hydride; dimethyl sulfoxide; triethylamine;
palladium on activated charcoal; tributylphosphine; Pd2(dba)(CHCl3);
In
diethyl ether; ethyl acetate; benzene;
DOI:10.1021/ja00198a045
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 1.) oxalyl chloride, dmso, 2.) Et3N / 1.) CH2Cl2, -50 deg C, 1 h, 2.) room temp., 15 min
2: 1.) NaH / 1.) THF, 0 deg C, 15 min, 2.) 30 min
3: formic acid, Et3N / Pd2(dba)CHCl3-n-Bu3P / benzene / Ambient temperature; other solvents
4: H2 / 5percent Pd/C / ethyl acetate / 10 h / Ambient temperature
5: 10percent aq. NaOH / diethyl ether / 8 h / Ambient temperature
With
sodium hydroxide; formic acid; oxalyl dichloride; hydrogen; sodium hydride; dimethyl sulfoxide; triethylamine;
palladium on activated charcoal; tributylphosphine; Pd2(dba)(CHCl3);
In
diethyl ether; ethyl acetate; benzene;
DOI:10.1021/ja00198a045
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) NaH / 1.) THF, 0 deg C, 15 min, 2.) 30 min
2: formic acid, Et3N / Pd2(dba)CHCl3-n-Bu3P / benzene / Ambient temperature; other solvents
3: H2 / 5percent Pd/C / ethyl acetate / 10 h / Ambient temperature
4: 10percent aq. NaOH / diethyl ether / 8 h / Ambient temperature
With
sodium hydroxide; formic acid; hydrogen; sodium hydride; triethylamine;
palladium on activated charcoal; tributylphosphine; Pd2(dba)(CHCl3);
In
diethyl ether; ethyl acetate; benzene;
DOI:10.1021/ja00198a045