Technology Process of (3S,4S,5S)-3-((Z)-3-Iodo-2-methyl-allyl)-5-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-4-methyl-dihydro-furan-2-one
There total 7 articles about (3S,4S,5S)-3-((Z)-3-Iodo-2-methyl-allyl)-5-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-4-methyl-dihydro-furan-2-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: 92 percent / TfOH / CH2Cl2 / 3.5 h / 20 °C
2.1: catecholborane / (Ph3P)3RhCl / tetrahydrofuran / 0 - 20 °C
2.2: 27.5percent H2O2; 2N NaOH / methanol / 2 h / 0 °C
3.1: PDC / dimethylformamide / 48 h / 20 °C
4.1: 73 percent / H2 / 20percent Pd(OH)2/C / methanol
5.1: Li(Pr-i)2 / tetrahydrofuran; hexamethylphosphoric acid triamide / 1 h / -78 °C
5.2: 86 percent / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -78 °C
6.1: aq. HF / tetrahydrofuran; acetonitrile / 20 °C
7.1: PPTS / CH2Cl2 / 7 h / 20 °C
With
dipyridinium dichromate; trifluorormethanesulfonic acid; Li(Pr-i)2; hydrogen fluoride; hydrogen; pyridinium p-toluenesulfonate; benzo[1,3,2]dioxaborole;
Wilkinson's catalyst;
In
tetrahydrofuran; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ol017266a
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: catecholborane / (Ph3P)3RhCl / tetrahydrofuran / 0 - 20 °C
1.2: 27.5percent H2O2; 2N NaOH / methanol / 2 h / 0 °C
2.1: PDC / dimethylformamide / 48 h / 20 °C
3.1: 73 percent / H2 / 20percent Pd(OH)2/C / methanol
4.1: Li(Pr-i)2 / tetrahydrofuran; hexamethylphosphoric acid triamide / 1 h / -78 °C
4.2: 86 percent / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -78 °C
5.1: aq. HF / tetrahydrofuran; acetonitrile / 20 °C
6.1: PPTS / CH2Cl2 / 7 h / 20 °C
With
dipyridinium dichromate; Li(Pr-i)2; hydrogen fluoride; hydrogen; pyridinium p-toluenesulfonate; benzo[1,3,2]dioxaborole;
Wilkinson's catalyst;
In
tetrahydrofuran; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ol017266a
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: PDC / dimethylformamide / 48 h / 20 °C
2.1: 73 percent / H2 / 20percent Pd(OH)2/C / methanol
3.1: Li(Pr-i)2 / tetrahydrofuran; hexamethylphosphoric acid triamide / 1 h / -78 °C
3.2: 86 percent / tetrahydrofuran; hexamethylphosphoric acid triamide / 2 h / -78 °C
4.1: aq. HF / tetrahydrofuran; acetonitrile / 20 °C
5.1: PPTS / CH2Cl2 / 7 h / 20 °C
With
dipyridinium dichromate; Li(Pr-i)2; hydrogen fluoride; hydrogen; pyridinium p-toluenesulfonate;
20percent Pd(OH)2/C;
In
tetrahydrofuran; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/ol017266a