5a(R),10b(S)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate

ALDRICH/674788 - 97%

Synonym: 2-Pentafluorophenyl-6,10b-dihydro-4H,5aH-5-oxo-3,10c-diaza-2-azoniacyclopenta[c]fluorine tetrafluoroborate

CAS Number: 872143-57-2
Empirical Formula (Hill Notation): C₁₈H₁₁BF₉N₃O
Molecular Weight: 467.10
MDL Number: MFCD08457666
Linear Formula: C₁₈H₁₁BF₉N₃O
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-674788-250MG	250 mg	$273.00 1/EA	Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	97%
form	solid
InChI	1S/C18H11F5N3O.BF4/c19-12-13(20)15(22)18(16(23)14(12)21)26-7-25-11(24-26)6-27-10-5-8-3-1-2-4-9(8)17(10)25;2-1(3,4)5/h1-4,7,10,17H,5-6H2;/q+1;-1/t10-,17+;/m1./s1
InChI key	CPCMDOOTVHDRTM-CVJFODCESA-N
mp	233-237 °C
Quality Level	100
SMILES string	F[B-](F)(F)F.Fc1c(F)c(F)c(c(F)c1F)-[n+]2c[n@@H]3[C@@H]4[C@@H](Cc5ccccc45)OCc3n2
storage temp.	2-8°C

Application:

5a(R),10b(S)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate can be used as an N-heterocyclic carbene (NHC) organocatalyst in:
• Benzoin reactions of aldehydes and total synthesis of a natural product named isodarparvinol B.
• Synthesis of spirocyclic oxindole-dihydropyranones by reacting α-bromo-α,β-unsaturated aldehydes with isatin derivatives.
• Synthesis of 1,4-dicarbonyl compounds through intramolecular Stetter reaction.

Packaging:

250 mg in glass bottle

Symbol	GHS05
Signal word	Danger
Hazard statements	H314
Precautionary statements	P280 - P305 + P351 + P338 - P310
Hazard Codes	C
Risk Statements	34
Safety Statements	26-36/37/39-45
RIDADR	UN 1759 8 / PGII
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	97%
mp	233-237 °C
Storage Temp.	2-8°C
UNSPSC	12352005

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