Technology Process of Benzoic acid (R)-1-[(2S,3S)-2-((S)-1-methoxycarbonyl-ethyl)-4-oxo-azetidin-3-yl]-ethyl ester
There total 13 articles about Benzoic acid (R)-1-[(2S,3S)-2-((S)-1-methoxycarbonyl-ethyl)-4-oxo-azetidin-3-yl]-ethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 8 steps
1.1: MS 4 Angstroem / CH2Cl2 / 2 h / reflux
2.1: 99 percent / NaCNBH3; bromocresol; 2N HCl/MeOH / methanol; CH2Cl2 / 15 h / -90 °C
3.1: 28 percent / 5percent aq.NaHCO3 / CH2Cl2 / 1 h
4.1: m-chloroperbenzoic acid / diethyl ether / 0.5 h / 25 °C
4.2: 2 N HCL / 0.25 h / 25 °C
5.1: 10percent NaClO2/10percent NaH2PO4 aq.; 2-methyl-2-butene / 2-methyl-propan-2-ol / 0.5 h / 25 °C
6.1: 99 percent / H2 / 10percent Pd/C / methanol / 2.5 h
7.1: DCC / acetonitrile / 1.5 h / reflux
8.1: PPh3; diisopropylazodicarboxylate / tetrahydrofuran / 2.5 h / 0 - 25 °C
With
hydrogenchloride; methanol; 2-methyl-but-2-ene; di-isopropyl azodicarboxylate; MS 4 Angstroem; 2-bromo-6-methylphenol; hydrogen; sodium cyanoborohydride; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide; triphenylphosphine;
10percent Pd/C;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; acetonitrile; tert-butyl alcohol;
1.1: Cycloaddition / 2.1: Reduction / 3.1: Acylation / 4.1: Oxidation / 4.2: Hydrolysis / 5.1: Oxidation / 6.1: Hydrogenolysis / 7.1: Cyclization / 8.1: Acylation;
DOI:10.1002/(sici)1099-0690(200004)2000:8<1595::aid-ejoc1595>3.3.co;2-5
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279673-25-5
(2S,3S,3aS,4aS,5R,8S,8aR)-2,5,10,10-tetramethyl-octahydro-2H-5,8-methano-isoxazolo[3,2-b]benzoxazol-3-carbonitrile
- Guidance literature:
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Multi-step reaction with 8 steps
1.1: Zn powder / tetrahydrofuran / 1 h / reflux
1.2: 62 percent / 50percent aq. K2CO3 / tetrahydrofuran / 0.5 h / 25 °C
2.1: 99 percent / NaCNBH3; bromocresol; 2N HCl/MeOH / methanol; CH2Cl2 / 15 h / -90 °C
3.1: 28 percent / 5percent aq.NaHCO3 / CH2Cl2 / 1 h
4.1: m-chloroperbenzoic acid / diethyl ether / 0.5 h / 25 °C
4.2: 2 N HCL / 0.25 h / 25 °C
5.1: 10percent NaClO2/10percent NaH2PO4 aq.; 2-methyl-2-butene / 2-methyl-propan-2-ol / 0.5 h / 25 °C
6.1: 99 percent / H2 / 10percent Pd/C / methanol / 2.5 h
7.1: DCC / acetonitrile / 1.5 h / reflux
8.1: PPh3; diisopropylazodicarboxylate / tetrahydrofuran / 2.5 h / 0 - 25 °C
With
hydrogenchloride; methanol; 2-methyl-but-2-ene; di-isopropyl azodicarboxylate; 2-bromo-6-methylphenol; hydrogen; sodium cyanoborohydride; 3-chloro-benzenecarboperoxoic acid; dicyclohexyl-carbodiimide; triphenylphosphine; zinc;
10percent Pd/C;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane; acetonitrile; tert-butyl alcohol;
1.1: Addition / 1.2: Hydrolysis / 2.1: Reduction / 3.1: Acylation / 4.1: Oxidation / 4.2: Hydrolysis / 5.1: Oxidation / 6.1: Hydrogenolysis / 7.1: Cyclization / 8.1: Acylation;
DOI:10.1002/(sici)1099-0690(200004)2000:8<1595::aid-ejoc1595>3.3.co;2-5
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 10percent NaClO2/10percent NaH2PO4 aq.; 2-methyl-2-butene / 2-methyl-propan-2-ol / 0.5 h / 25 °C
2: 99 percent / H2 / 10percent Pd/C / methanol / 2.5 h
3: DCC / acetonitrile / 1.5 h / reflux
4: PPh3; diisopropylazodicarboxylate / tetrahydrofuran / 2.5 h / 0 - 25 °C
With
2-methyl-but-2-ene; di-isopropyl azodicarboxylate; hydrogen; dicyclohexyl-carbodiimide; triphenylphosphine;
10percent Pd/C;
In
tetrahydrofuran; methanol; acetonitrile; tert-butyl alcohol;
1: Oxidation / 2: Hydrogenolysis / 3: Cyclization / 4: Acylation;
DOI:10.1002/(sici)1099-0690(200004)2000:8<1595::aid-ejoc1595>3.3.co;2-5