Technology Process of 7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 12b-(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dod ecahydro-4,9,11-trihydroxy-6-methoxy-4a,8,13,13-tetramethyl-, [2aR-(2aa,4b,4ab,6b,9a,11a,12a,12aa,12ba)]-
There total 5 articles about 7,11-Methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one, 12b-(acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dod ecahydro-4,9,11-trihydroxy-6-methoxy-4a,8,13,13-tetramethyl-, [2aR-(2aa,4b,4ab,6b,9a,11a,12a,12aa,12ba)]- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
4α-acetoxy-2α-benzoyIoxy-5β,20-epoxy-1β,13α-dihydroxy-10β-methoxy-9-oxo-7β-triethylsilyloxy-11-taxene;
With
tetrabutyl ammonium fluoride;
In
tetrahydrofuran;
at 20 ℃;
With
water;
In
tetrahydrofuran;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -20 - 20 °C
2: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C
With
tetrabutyl ammonium fluoride; lithium hexamethyldisilazane;
In
tetrahydrofuran;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 1H-imidazole / N,N-dimethyl-formamide / -20 - 0 °C
2: lithium hexamethyldisilazane / tetrahydrofuran / 1 h / -20 - 20 °C
3: tetrabutyl ammonium fluoride / tetrahydrofuran / 20 °C
With
1H-imidazole; tetrabutyl ammonium fluoride; lithium hexamethyldisilazane;
In
tetrahydrofuran; N,N-dimethyl-formamide;