5,6-Dihydro-2-(2,3,4,5,6-pentafluorophenyl)-8H-1,2,4-triazolo[3,4-c][1,4]oxazinium tetrafluoroborate, 95% synthesis
- Product Name:5,6-Dihydro-2-(2,3,4,5,6-pentafluorophenyl)-8H-1,2,4-triazolo[3,4-c][1,4]oxazinium tetrafluoroborate, 95%
- CAS Number:1352035-31-4
- Molecular formula:C11H7BF9N3O
- Molecular Weight:378.9894
109-11-5
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122-51-0
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1352035-31-4
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Yield:1352035-31-4 0.7%
Reaction Conditions:
Stage #1: morpholine-3-onewith trimethoxonium tetrafluoroborate in dichloromethane at 20; for 9 h;Inert atmosphere;
Stage #2: pentafluorophenyl hydrazine in dichloromethane at 20; for 9 h;Inert atmosphere;
Stage #3: orthoformic acid triethyl ester in chlorobenzene; for 24 h;Inert atmosphere;Reflux;
References:
Langdon, Steven M.;Wilde, Myron M.D.;Thai, Karen;Gravel, Michel [Journal of the American Chemical Society,2014,vol. 136,# 21,p. 7539 - 7542] Location in patent:supporting information