Technology Process of (2S,3S,4S,5S,6S)-3,4,5-Triacetoxy-6-{(R)-carboxy-[(2S,3R,4R,5R)-4-(2,2-dimethyl-propionyloxy)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-methoxy-tetrahydro-furan-2-yl]-methoxy}-tetrahydro-pyran-2-carboxylic acid benzyl ester
There total 17 articles about (2S,3S,4S,5S,6S)-3,4,5-Triacetoxy-6-{(R)-carboxy-[(2S,3R,4R,5R)-4-(2,2-dimethyl-propionyloxy)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-methoxy-tetrahydro-furan-2-yl]-methoxy}-tetrahydro-pyran-2-carboxylic acid benzyl ester which
guide to synthetic route it.
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synthetic route:
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154397-08-7
(2S,3S,4S,5S,6S)-3,4,5-Triacetoxy-6-{(R)-carboxy-[(2S,3R,4R,5R)-4-(2,2-dimethyl-propionyloxy)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-methoxy-tetrahydro-furan-2-yl]-methoxy}-tetrahydro-pyran-2-carboxylic acid benzyl ester
- Guidance literature:
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Multi-step reaction with 8 steps
1: RuCl3*3H2O, NaIO4 / CCl4; H2O; acetonitrile
2: NaHCO3 / dimethylformamide
3: 94 percent / 2-aminoethanol / ethyl acetate; dimethylsulfoxide
4: 92 percent / Na2CO3 / CH2Cl2
5: 85 percent / TMSOTf, molecular sieves / CH2Cl2 / 1.) -25 deg C, 16 h, 2.) -5 deg C, 6 h
6: H2 / 10percent Pd/C / methanol
7: NaHCO3 / dimethylformamide
8: PDC, molecular sieves / dimethylformamide; acetic acid
With
ruthenium trichloride; sodium periodate; dipyridinium dichromate; molecular sieve; trimethylsilyl trifluoromethanesulfonate; hydrogen; sodium hydrogencarbonate; sodium carbonate; ethanolamine;
palladium on activated charcoal;
In
methanol; tetrachloromethane; dichloromethane; water; acetic acid; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/jo00081a004
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18968-50-8,29587-02-8,32166-85-1,36215-54-0,43138-65-4,65725-74-8,67816-77-7
1-[6-methoxy-2,2-dimethyl-(3aR,5R,6R,6aR)-perhydrofuro-[2,3-d][1,3]dioxol-5-yl]-(1R)-ethane-1,2-diol
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154397-08-7
(2S,3S,4S,5S,6S)-3,4,5-Triacetoxy-6-{(R)-carboxy-[(2S,3R,4R,5R)-4-(2,2-dimethyl-propionyloxy)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-methoxy-tetrahydro-furan-2-yl]-methoxy}-tetrahydro-pyran-2-carboxylic acid benzyl ester
- Guidance literature:
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Multi-step reaction with 11 steps
2: Et3N, DMAP / CH2Cl2
3: 80percent AcOH / 2 h / 90 °C
4: Et3N / benzene
5: 80 percent / TMSOTf / CCl4 / 6 h / Heating
6: 85 percent / NIS, TfOH / CH2Cl2 / -20 - 0 °C
7: NaOMe / methanol
8: 85 percent / TMSOTf, molecular sieves / CH2Cl2 / 1.) -25 deg C, 16 h, 2.) -5 deg C, 6 h
9: H2 / 10percent Pd/C / methanol
10: NaHCO3 / dimethylformamide
11: PDC, molecular sieves / dimethylformamide; acetic acid
With
dmap; N-iodo-succinimide; dipyridinium dichromate; molecular sieve; trifluorormethanesulfonic acid; trimethylsilyl trifluoromethanesulfonate; hydrogen; sodium methylate; sodium hydrogencarbonate; acetic acid; triethylamine;
palladium on activated charcoal;
In
methanol; tetrachloromethane; dichloromethane; acetic acid; N,N-dimethyl-formamide; benzene;
DOI:10.1021/jo00081a004
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154397-08-7
(2S,3S,4S,5S,6S)-3,4,5-Triacetoxy-6-{(R)-carboxy-[(2S,3R,4R,5R)-4-(2,2-dimethyl-propionyloxy)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-methoxy-tetrahydro-furan-2-yl]-methoxy}-tetrahydro-pyran-2-carboxylic acid benzyl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1: NaOMe / methanol
2: 85 percent / TMSOTf, molecular sieves / CH2Cl2 / 1.) -25 deg C, 16 h, 2.) -5 deg C, 6 h
3: H2 / 10percent Pd/C / methanol
4: NaHCO3 / dimethylformamide
5: PDC, molecular sieves / dimethylformamide; acetic acid
With
dipyridinium dichromate; molecular sieve; trimethylsilyl trifluoromethanesulfonate; hydrogen; sodium methylate; sodium hydrogencarbonate;
palladium on activated charcoal;
In
methanol; dichloromethane; acetic acid; N,N-dimethyl-formamide;
DOI:10.1021/jo00081a004