Technology Process of ((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (5aR,6S,7R,7aR,12aS,12bS)-2,2,4,4,9,9,11,11-octaisopropyl-7-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-1,3,5,8,10,12-hexaoxa-2,4,9,11-tetrasila-benzo[1,2;3,4]dicyclohepten-6-yl ester
There total 8 articles about ((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (5aR,6S,7R,7aR,12aS,12bS)-2,2,4,4,9,9,11,11-octaisopropyl-7-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-1,3,5,8,10,12-hexaoxa-2,4,9,11-tetrasila-benzo[1,2;3,4]dicyclohepten-6-yl ester which
guide to synthetic route it.
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synthetic route:
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329327-19-7
((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (1S,2S,3S,4S,4aR,9aR)-3,4-dihydroxy-6,6,8,8-tetraisopropyl-2-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-5,7,9-trioxa-6,8-disila-benzocyclohepten-1-yl ester
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329327-07-3
((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (5aR,6S,7R,7aR,12aS,12bS)-2,2,4,4,9,9,11,11-octaisopropyl-7-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-1,3,5,8,10,12-hexaoxa-2,4,9,11-tetrasila-benzo[1,2;3,4]dicyclohepten-6-yl ester
- Guidance literature:
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With
1H-imidazole;
In
N,N-dimethyl-formamide;
at 80 ℃;
for 7h;
DOI:10.1039/b007267m
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329327-07-3
((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (5aR,6S,7R,7aR,12aS,12bS)-2,2,4,4,9,9,11,11-octaisopropyl-7-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-1,3,5,8,10,12-hexaoxa-2,4,9,11-tetrasila-benzo[1,2;3,4]dicyclohepten-6-yl ester
- Guidance literature:
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Multi-step reaction with 7 steps
1: 44.73 g / Ph3P*HBr / CH2Cl2 / 40 h / 20 °C
2: 18.27 g / NaOMe / methanol; tetrahydrofuran / 0.5 h / 20 °C
3: 62.8 percent / imidazole; Et3N / hexamethylphosphoric acid triamide / 60 h / 20 °C
4: 73 percent / pyridine / acetonitrile / 1.33 h / 20 °C
5: 40.5 percent / 1H-tetraole; DMAP; pyridine / acetonitrile / 0.75 h / 20 °C
6: 0.132 g / ClCH2CO2H; pyrrole / CH2Cl2 / 0.25 h / 20 °C
7: 0.119 g / imidazole / dimethylformamide / 7 h / 80 °C
With
pyridine; 1H-imidazole; 1H-tetrazole; dmap; pyrrole; sodium methylate; triphenylphosphine hydrobromide; triethylamine; chloroacetic acid;
In
tetrahydrofuran; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1039/b007267m
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329327-07-3
((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-acetic acid (5aR,6S,7R,7aR,12aS,12bS)-2,2,4,4,9,9,11,11-octaisopropyl-7-(4-methoxy-tetrahydro-pyran-4-yloxy)-hexahydro-1,3,5,8,10,12-hexaoxa-2,4,9,11-tetrasila-benzo[1,2;3,4]dicyclohepten-6-yl ester
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 62.8 percent / imidazole; Et3N / hexamethylphosphoric acid triamide / 60 h / 20 °C
2: 73 percent / pyridine / acetonitrile / 1.33 h / 20 °C
3: 40.5 percent / 1H-tetraole; DMAP; pyridine / acetonitrile / 0.75 h / 20 °C
4: 0.132 g / ClCH2CO2H; pyrrole / CH2Cl2 / 0.25 h / 20 °C
5: 0.119 g / imidazole / dimethylformamide / 7 h / 80 °C
With
pyridine; 1H-imidazole; 1H-tetrazole; dmap; pyrrole; triethylamine; chloroacetic acid;
In
N,N,N,N,N,N-hexamethylphosphoric triamide; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1039/b007267m