Product

(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE

CAS No.：872143-57-2

Other grades of this product :

(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE Basic information

Reaction

Product Name:	(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE
Synonyms:	2-PENTAFLUOROPHENYL-6,10B-DIHYDRO-4H,5AH-5-OXO-3,10C-DIAZA-2-AZONIACYCLOPENTA[C]FLUORINE TETRAFLUOROBORATE;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;(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE;(5aR,10bS)-(+)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]trizolo[4,3-d][1,4]oxazinium tetrafluoroborate, min. 98%;5A(R),10B(S)-5A,10B-DIHYDRO-2-(PENTAFLU&;(5aR,10bS)-(+)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]trizolo[4,3-d][1,4]oxaziniumtetrafluoroborate,min.98%;5A(R),10B(S)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO(2,1-B)(1,2,4)TRIA;(5aR,10bS)-5a,10b-dihydro-2-(2,3,4,5,6-pentafluorophenyl)-4H,6H-Indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate
CAS:	872143-57-2
MF:	C18H11BF9N3O
MW:	467.1
EINECS:
Product Categories:	Chiral NHC;Chiral Nitrogen
Mol File:	872143-57-2.mol

(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE Chemical Properties

Melting point	233-237 °C
storage temp.	2-8°C
form	Powder
color	light brown

Safety Information

Hazard Codes	C
Risk Statements	34
Safety Statements	26-36/37/39-45
RIDADR	UN 1759 8/PG 2
WGK Germany	3

MSDS Information

(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE Usage And Synthesis

Reaction

Reagent used in the highly enantioand diastereoselective, catalytic intramolecular Stetter reaction.
Direct synthesis of α-protio and α-deuterio α-chloro and α-fluoro carboxylic acids via asymmetric hydration.
Chemoselective conversion of α-unbranched aldehydes to amides.

Uses

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.

(5AR,10BS)-(+)-5A,10B-DIHYDRO-2-(PENTAFLUOROPHENYL)-4H,6H-INDENO[2,1-B][1,2,4]TRIZOLO[4,3-D][1,4]OXAZINIUM TETRAFLUOROBORATE Preparation Products And Raw materials

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