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803898 Sigma-Aldrich

Mattson Difluoroborate Urea

Synonym: N-[3,5-bis(trifluoromethyl)phenyl]-N′-[2-(difluoroboryl)phenyl]-Urea

  • CAS Number 1451048-80-8

  • Empirical Formula (Hill Notation) C15H9BF8N2O

  • Molecular Weight 396.04

  •  PubChem Substance ID 329768832

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Organocatalysis More...
InChI Key   VTRJGINZAJTRDQ-UHFFFAOYSA-N
form   powder
mp   223-228 °C
storage temp.   2-8°C

Description

Application

1-(3,5-bis(trifluoromethyl)phenyl)-3-(2-(difluoroboryl)phenyl)urea is a robust and user-friendly white solid capable of being stored on the benchtop indefinitely. The strategic incoporation of the difluoroboryl substituent renders this the most acidic urea catalyst reported to date (pKa(DMSO) = 7.5). This difluorboronate urea benefits from enhanced reaction rates and yields when compared to traditional urea catalysts. It also enables reactions that are inaccessible with conventional urea catalysis.

Packaging

250 mg in glass bottle

Other Notes

Arylation of Diazoesters by a Transient N-H Insertion Organocascade

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport

Documents

Certificate of Analysis

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Protocols & Articles

Articles

Anita Mattson - Professor Product Portal

From our library of Articles, Sigma-Aldrich presents Anita Mattson - Professor Product Portal
Keywords: Amplification, Arylations, Catalysis

Peer-Reviewed Papers
15

References

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