Technology Process of 3-(tert-butyl-dimethyl-silanyloxy)-11-[10-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-8-methoxy-1,3,7,9-tetramethyl-6-oxo-decyl]-13,15,17-trimethoxy-6,12,16-trimethyl-10,23-dioxa-bicyclo[17.3.1]tricosa-5,7,21-trien-9-one
There total 10 articles about 3-(tert-butyl-dimethyl-silanyloxy)-11-[10-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-8-methoxy-1,3,7,9-tetramethyl-6-oxo-decyl]-13,15,17-trimethoxy-6,12,16-trimethyl-10,23-dioxa-bicyclo[17.3.1]tricosa-5,7,21-trien-9-one which
guide to synthetic route it.
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synthetic route:
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618116-85-1
3-(tert-butyl-dimethyl-silanyloxy)-11-[10-(tert-butyl-diphenyl-silanyloxy)-2,6-dihydroxy-8-methoxy-1,3,7,9-tetramethyl-decyl]-13,15,17-trimethoxy-6,12,16-trimethyl-10,23-dioxa-bicyclo[17.3.1]tricosa-5,7,21-trien-9-one
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618116-94-2
3-(tert-butyl-dimethyl-silanyloxy)-11-[10-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-8-methoxy-1,3,7,9-tetramethyl-6-oxo-decyl]-13,15,17-trimethoxy-6,12,16-trimethyl-10,23-dioxa-bicyclo[17.3.1]tricosa-5,7,21-trien-9-one
- Guidance literature:
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With
N-methyl-2-indolinone; tetrapropylammonium perruthennate; 4 A molecular sieve;
In
dichloromethane;
at 20 ℃;
for 2h;
DOI:10.1021/ol0352299
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618116-94-2
3-(tert-butyl-dimethyl-silanyloxy)-11-[10-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-8-methoxy-1,3,7,9-tetramethyl-6-oxo-decyl]-13,15,17-trimethoxy-6,12,16-trimethyl-10,23-dioxa-bicyclo[17.3.1]tricosa-5,7,21-trien-9-one
- Guidance literature:
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Multi-step reaction with 10 steps
1: 94 percent / Et3N; LHDMS / tetrahydrofuran / 1.33 h / -78 °C
2: 87 percent / BF3*OEt3 / CH2Cl2 / 1.33 h / -78 °C
3: 77 percent / catecholborane / tetrahydrofuran / 26 h / -78 - -20 °C
4: 99 percent / 2,6-di-tert-butylpyridine / 8.5 h / 20 °C
5: 97 percent / NaBH4 / methanol / 3 h / -20 - 0 °C
6: 79 percent / FeCl3*SiO2 / CHCl3 / 8 h / 20 °C
7: 93 percent / Ba(OH)2 / methanol / 18 h / 40 °C
8: 52 percent / Et3N; 2,4,6-trichlorobenzoyl chloride; 4-DMAP / toluene / 13 h / 20 °C
9: 40 percent / Ti(OPr-i)4 / CH2Cl2 / 84 h / 20 °C
10: 78 percent / molecular sieves 4 Angstroem; NMO; TPAP / CH2Cl2 / 2 h / 20 °C
With
titanium(IV) isopropylate; dmap; barium dihydroxide; sodium tetrahydroborate; N-methyl-2-indolinone; 2,6-di-tert-butyl-pyridine; tetrapropylammonium perruthennate; 4 A molecular sieve; 2,4,6-trichlorobenzoyl chloride; boron trifluoride diethyl etherate; silica gel; iron(III) chloride; triethylamine; lithium hexamethyldisilazane; benzo[1,3,2]dioxaborole;
In
tetrahydrofuran; methanol; dichloromethane; chloroform; toluene;
DOI:10.1021/ol0352299
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618116-94-2
3-(tert-butyl-dimethyl-silanyloxy)-11-[10-(tert-butyl-diphenyl-silanyloxy)-2-hydroxy-8-methoxy-1,3,7,9-tetramethyl-6-oxo-decyl]-13,15,17-trimethoxy-6,12,16-trimethyl-10,23-dioxa-bicyclo[17.3.1]tricosa-5,7,21-trien-9-one
- Guidance literature:
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Multi-step reaction with 9 steps
1: 87 percent / BF3*OEt3 / CH2Cl2 / 1.33 h / -78 °C
2: 77 percent / catecholborane / tetrahydrofuran / 26 h / -78 - -20 °C
3: 99 percent / 2,6-di-tert-butylpyridine / 8.5 h / 20 °C
4: 97 percent / NaBH4 / methanol / 3 h / -20 - 0 °C
5: 79 percent / FeCl3*SiO2 / CHCl3 / 8 h / 20 °C
6: 93 percent / Ba(OH)2 / methanol / 18 h / 40 °C
7: 52 percent / Et3N; 2,4,6-trichlorobenzoyl chloride; 4-DMAP / toluene / 13 h / 20 °C
8: 40 percent / Ti(OPr-i)4 / CH2Cl2 / 84 h / 20 °C
9: 78 percent / molecular sieves 4 Angstroem; NMO; TPAP / CH2Cl2 / 2 h / 20 °C
With
titanium(IV) isopropylate; dmap; barium dihydroxide; sodium tetrahydroborate; N-methyl-2-indolinone; 2,6-di-tert-butyl-pyridine; tetrapropylammonium perruthennate; 4 A molecular sieve; 2,4,6-trichlorobenzoyl chloride; boron trifluoride diethyl etherate; silica gel; iron(III) chloride; triethylamine; benzo[1,3,2]dioxaborole;
In
tetrahydrofuran; methanol; dichloromethane; chloroform; toluene;
DOI:10.1021/ol0352299