Technology Process of (3S)-3beta-Hexyl-4alpha-hydroxy-6beta-undecyltetrahydro-2H-pyran-2-one
There total 18 articles about (3S)-3beta-Hexyl-4alpha-hydroxy-6beta-undecyltetrahydro-2H-pyran-2-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: 92 percent / Zn; NH4Cl / tetrahydrofuran; H2O / 1 h
2.1: 86 percent / NaH / tetrahydrofuran / 12 h / 20 °C
3.1: ozone / CH2Cl2 / 2 h
3.2: 81 percent / triphenylphosphine / CH2Cl2 / 40 h / 0 °C
4.1: 45 percent / Zn / benzene / 2 h / ultrasound
5.1: 72 percent / pyridinium chlorochromate; NaOAc / CH2Cl2 / 0 °C
6.1: 68 percent / TBAF / tetrahydrofuran / 6 h / -78 °C
7.1: 70 percent / ZnBH4 / diethyl ether / 12 h / -20 °C
8.1: porcine pancreatic lipase; molecular sieves 4 Angstroem / diethyl ether / 48 h
With
zinc(II) tetrahydroborate; porcine pancreatic lipase; 4 A molecular sieve; tetrabutyl ammonium fluoride; sodium acetate; sodium hydride; ammonium chloride; ozone; pyridinium chlorochromate; zinc;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; benzene;
1.1: Alkylation / 2.1: silylation / 3.1: ozonolysis / 3.2: Reduction / 4.1: Reformatsky reaction / 5.1: Oxidation / 6.1: desilylation / 7.1: Reduction / 8.1: Cyclization;
DOI:10.1021/jo990370+
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 90 percent / pyridinium chlorochromate / CH2Cl2 / 3 h / 0 °C
2.1: 92 percent / Zn; NH4Cl / tetrahydrofuran; H2O / 1 h
3.1: 86 percent / NaH / tetrahydrofuran / 12 h / 20 °C
4.1: ozone / CH2Cl2 / 2 h
4.2: 81 percent / triphenylphosphine / CH2Cl2 / 40 h / 0 °C
5.1: 45 percent / Zn / benzene / 2 h / ultrasound
6.1: 72 percent / pyridinium chlorochromate; NaOAc / CH2Cl2 / 0 °C
7.1: 68 percent / TBAF / tetrahydrofuran / 6 h / -78 °C
8.1: 70 percent / ZnBH4 / diethyl ether / 12 h / -20 °C
9.1: porcine pancreatic lipase; molecular sieves 4 Angstroem / diethyl ether / 48 h
With
zinc(II) tetrahydroborate; porcine pancreatic lipase; 4 A molecular sieve; tetrabutyl ammonium fluoride; sodium acetate; sodium hydride; ammonium chloride; ozone; pyridinium chlorochromate; zinc;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; benzene;
1.1: Oxidation / 2.1: Alkylation / 3.1: silylation / 4.1: ozonolysis / 4.2: Reduction / 5.1: Reformatsky reaction / 6.1: Oxidation / 7.1: desilylation / 8.1: Reduction / 9.1: Cyclization;
DOI:10.1021/jo990370+
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 88 percent / H2SO4 / 4 h / Heating
2: 45 percent / Zn / benzene / 2 h / ultrasound
3: 72 percent / pyridinium chlorochromate; NaOAc / CH2Cl2 / 0 °C
4: 68 percent / TBAF / tetrahydrofuran / 6 h / -78 °C
5: 70 percent / ZnBH4 / diethyl ether / 12 h / -20 °C
6: porcine pancreatic lipase; molecular sieves 4 Angstroem / diethyl ether / 48 h
With
zinc(II) tetrahydroborate; porcine pancreatic lipase; 4 A molecular sieve; sulfuric acid; tetrabutyl ammonium fluoride; sodium acetate; pyridinium chlorochromate; zinc;
In
tetrahydrofuran; diethyl ether; dichloromethane; benzene;
1: Esterification / 2: Reformatsky reaction / 3: Oxidation / 4: desilylation / 5: Reduction / 6: Cyclization;
DOI:10.1021/jo990370+