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93560 Sigma-Aldrich

Tropylium tetrafluoroborate

purum, ≥97.0% (T)

Synonym: Cycloheptatrienyl tetrafluoroborate, Tropylium fluoroborate

  • CAS Number 27081-10-3

  • Empirical Formula (Hill Notation) C7H7BF4

  • Molecular Weight 177.94

  •  Beilstein Registry Number 3574512

  •  EC Number 248-214-5

  •  MDL number MFCD00013402

  •  PubChem Substance ID 329770252

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Properties

Related Categories Building Blocks, Carbenium Salts, Chemical Synthesis, Organic Building Blocks
InChI Key   SQVQHTIKOZVGLR-UHFFFAOYSA-N
grade   purum
assay   ≥97.0% (T)
mp   ~240 °C (dec.)(lit.)

Description

Application

Reactant or reagent involved in:
• Retro-Buchner reactions for synthesis of arylcyclopropanes
• Desymmetrization for access to homocalystegine analogs or aminocycloheptitols
• α-Cyanation of imines
• Stereoselective α-alkylation of aldehydes with stable carbocations
• Oxidative C-H activation of aliphatic aldehydes
• Electrochemical Redox transformations

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3261 8 / PGII
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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replaced by

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Description

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164623 Tropylium tetrafluoroborate, 97%

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