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Figure 1
The synthesis of (VII)[link]. Notes: (i) hexamethyl­enedisilazane (HMDS), (NH4)2SO4, 4 h, 403 K; (ii) trimethyl­silyl trifluoro­methane­sulfonate (TMSOTf), CH3CN, 48 h, 353 K; (iii) LiOH·H2O, THF, H2O, 4 h, room temperature; (iv) BzOLi, DMF, 18 h, 353 K; (v) NH4OH, pyridine, 24 h, 328 K; (vi) HCO2NH4, Pd/C, MeOH, 2 h, 333 K. Bn is benzyl (PhCH2–) and Ms is methyl­sulfonyl (MeSO2–).

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 64| Part 8| July 2008| Pages o467-o470
doi:10.1107/S0108270108021628
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