Technology Process of [1,3-dibenzyl-8-(2-chloro-1-hydroxy-ethyl)-2,4,5-trioxo-2,3,4,7,7a,8-hexahydro-1H-furo[3',4':4,5]benzo[1,2-d]imidazol-4a-ylmethyl]-carbamic acid tert-butyl ester
There total 13 articles about [1,3-dibenzyl-8-(2-chloro-1-hydroxy-ethyl)-2,4,5-trioxo-2,3,4,7,7a,8-hexahydro-1H-furo[3',4':4,5]benzo[1,2-d]imidazol-4a-ylmethyl]-carbamic acid tert-butyl ester which
guide to synthetic route it.
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synthetic route:
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908597-64-8
[1,3-dibenzyl-8-(2-chloro-1-hydroxy-ethyl)-2,4,5-trioxo-2,3,4,7,7a,8-hexahydro-1H-furo[3',4':4,5]benzo[1,2-d]imidazol-4a-ylmethyl]-carbamic acid tert-butyl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1.1: sodium hydride / 2 h / 23 °C
1.2: copper(II) chloride; sodium hydride; oxygen / dimethylformamide / 12 h / 80 °C
1.3: 99 percent / phosphorus oxychloride / dimethylformamide / 2.5 h / 0 - 23 °C
2.1: lithium hexamethyldisilazide / tetrahydrofuran; hexane / -78 °C
2.2: 69 percent / boron trifluoride diethyl etherate / tetrahydrofuran; hexane / -78 °C
3.1: 92 percent / Dess-Martin periodinane / CH2Cl2; H2O
4.1: 20 percent / glacial acetic acid; manganese(III) acetate dihydrate / 12 h / 80 °C
5.1: 83 percent / ammonium fluoride; acetic acid / methanol / 12 h / 60 °C
With
ammonium fluoride; manganese triacetate; sodium hydride; Dess-Martin periodane; acetic acid; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water;
DOI:10.1002/anie.200601208
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908597-64-8
[1,3-dibenzyl-8-(2-chloro-1-hydroxy-ethyl)-2,4,5-trioxo-2,3,4,7,7a,8-hexahydro-1H-furo[3',4':4,5]benzo[1,2-d]imidazol-4a-ylmethyl]-carbamic acid tert-butyl ester
- Guidance literature:
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Multi-step reaction with 4 steps
1.1: lithium hexamethyldisilazide / tetrahydrofuran; hexane / -78 °C
1.2: 69 percent / boron trifluoride diethyl etherate / tetrahydrofuran; hexane / -78 °C
2.1: 92 percent / Dess-Martin periodinane / CH2Cl2; H2O
3.1: 20 percent / glacial acetic acid; manganese(III) acetate dihydrate / 12 h / 80 °C
4.1: 83 percent / ammonium fluoride; acetic acid / methanol / 12 h / 60 °C
With
ammonium fluoride; manganese triacetate; Dess-Martin periodane; acetic acid; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water;
DOI:10.1002/anie.200601208
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908597-64-8
[1,3-dibenzyl-8-(2-chloro-1-hydroxy-ethyl)-2,4,5-trioxo-2,3,4,7,7a,8-hexahydro-1H-furo[3',4':4,5]benzo[1,2-d]imidazol-4a-ylmethyl]-carbamic acid tert-butyl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1.1: 99 percent / N,N'-dicyclohexylcarbodiimide; 4-(dimethylamino)pyridine / CH2Cl2 / 18 h / 23 °C
2.1: lithium hexamethyldisilazide / tetrahydrofuran; hexane / 0.5 h / -78 °C
2.2: 67 percent / boron trifluoride diethyl etherate / tetrahydrofuran; hexane / 0.75 h / -78 °C
3.1: 80 percent / Dess-Martin periodinane / CH2Cl2; H2O / 0.25 h
4.1: 40 percent / glacial acetic acid; manganese(III) acetate dihydrate / 12 h / 60 °C
5.1: 83 percent / ammonium fluoride; acetic acid / methanol / 12 h / 60 °C
With
dmap; ammonium fluoride; manganese triacetate; Dess-Martin periodane; acetic acid; dicyclohexyl-carbodiimide; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; hexane; dichloromethane; water;
DOI:10.1002/anie.200601208