Technology Process of (3E,5E,13E,19E)-(1R,9S,10R,11S,15R,17R,21S,24R,25R,27S,29R)-11-Hydroxy-15,21-dimethoxy-27-(4-methoxy-phenyl)-10,17,20,24,29-pentamethyl-9-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-8,26,28-trioxa-bicyclo[23.3.1]nonacosa-3,5,13,19-tetraen-7-one
There total 10 articles about (3E,5E,13E,19E)-(1R,9S,10R,11S,15R,17R,21S,24R,25R,27S,29R)-11-Hydroxy-15,21-dimethoxy-27-(4-methoxy-phenyl)-10,17,20,24,29-pentamethyl-9-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-8,26,28-trioxa-bicyclo[23.3.1]nonacosa-3,5,13,19-tetraen-7-one which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
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213390-87-5
(2E,4E)-6-[(2S,4R,5R,6R)-6-((5E,11E)-(1R,4S,8R,10R,14S,15R,16S,17S)-14,16-Dihydroxy-4,10-dimethoxy-1,5,8,15,17-pentamethyl-18-triisopropylsilanyloxy-octadeca-5,11-dienyl)-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-hexa-2,4-dienoic acid
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213390-88-6
(3E,5E,13E,19E)-(1R,9S,10R,11S,15R,17R,21S,24R,25R,27S,29R)-11-Hydroxy-15,21-dimethoxy-27-(4-methoxy-phenyl)-10,17,20,24,29-pentamethyl-9-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-8,26,28-trioxa-bicyclo[23.3.1]nonacosa-3,5,13,19-tetraen-7-one
- Guidance literature:
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With
dmap; 2,4,6-trichlorobenzoyl chloride; triethylamine;
In
chloroform;
at 20 ℃;
for 4h;
DOI:10.1016/S0040-4039(98)01192-7
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213390-88-6
(3E,5E,13E,19E)-(1R,9S,10R,11S,15R,17R,21S,24R,25R,27S,29R)-11-Hydroxy-15,21-dimethoxy-27-(4-methoxy-phenyl)-10,17,20,24,29-pentamethyl-9-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-8,26,28-trioxa-bicyclo[23.3.1]nonacosa-3,5,13,19-tetraen-7-one
- Guidance literature:
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Multi-step reaction with 3 steps
1: 91 percent / sodium chlorite, NaH2PO4 / H2O; 2-methyl-propan-2-ol; various solvent(s) / 18 h / 20 °C
2: 90 percent / HF*pyr / pyridine; tetrahydrofuran / 20 °C
3: 79 percent / 2,4,6-trichlorobenzoyl chloride, DMAP, Et3N / CHCl3 / 4 h / 20 °C
With
dmap; sodium chlorite; sodium dihydrogenphosphate; 2,4,6-trichlorobenzoyl chloride; pyridine hydrogenfluoride; triethylamine;
In
tetrahydrofuran; pyridine; chloroform; water; tert-butyl alcohol;
DOI:10.1016/S0040-4039(98)01192-7
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213390-88-6
(3E,5E,13E,19E)-(1R,9S,10R,11S,15R,17R,21S,24R,25R,27S,29R)-11-Hydroxy-15,21-dimethoxy-27-(4-methoxy-phenyl)-10,17,20,24,29-pentamethyl-9-((S)-1-methyl-2-triisopropylsilanyloxy-ethyl)-8,26,28-trioxa-bicyclo[23.3.1]nonacosa-3,5,13,19-tetraen-7-one
- Guidance literature:
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Multi-step reaction with 4 steps
1: 92 percent / DDQ, pH7 buffer / CH2Cl2 / 0.17 h / 0 °C
2: 91 percent / sodium chlorite, NaH2PO4 / H2O; 2-methyl-propan-2-ol; various solvent(s) / 18 h / 20 °C
3: 90 percent / HF*pyr / pyridine; tetrahydrofuran / 20 °C
4: 79 percent / 2,4,6-trichlorobenzoyl chloride, DMAP, Et3N / CHCl3 / 4 h / 20 °C
With
dmap; sodium chlorite; sodium dihydrogenphosphate; pH7 buffer; 2,4,6-trichlorobenzoyl chloride; pyridine hydrogenfluoride; triethylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
tetrahydrofuran; pyridine; dichloromethane; chloroform; water; tert-butyl alcohol;
DOI:10.1016/S0040-4039(98)01192-7