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(C2H5)3NBFCl2, also known as triethylamine hydrochloride boron trifluoride complex, is a chemical compound that combines the properties of triethylamine (a tertiary amine), hydrochloric acid (HCl), and boron trifluoride (BF3). This complex is often used as a Lewis acid catalyst in organic synthesis, particularly in reactions that require the activation of carbonyl groups, such as Friedel-Crafts acylations and other electrophilic aromatic substitutions. The compound is known for its ability to generate a highly reactive complex that can facilitate the transfer of a proton and a fluorine atom, making it a versatile reagent in the synthesis of various organic compounds. It is important to handle (C2H5)3NBFCl2 with care due to its corrosive and potentially hazardous nature.

82862-10-0

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82862-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82862-10-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,6 and 2 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82862-10:
(7*8)+(6*2)+(5*8)+(4*6)+(3*2)+(2*1)+(1*0)=140
140 % 10 = 0
So 82862-10-0 is a valid CAS Registry Number.

82862-10-0Downstream Products

82862-10-0Relevant academic research and scientific papers

Mixed Boron Trihalide Adducts of Amines: A Multinuclear Nuclear Magnetic Resonance Study

Fox, Arnold,Hartman, Stephen J.,Humphries, Robyn E.

, p. 1275 - 1284 (2007/10/02)

The (19)F chemical shifts of mixed boron trihalide adducts of tertiary amines have a marked dependence on the steric effects of amine substituents, as estimated from the 'cone angle' of the amines.Base strength of the amine has little effect on adduct (19)F shifts, but does have a pronounced effect on the rate of halogen redistribution.The (11)B and (13)Cchemical shifts and (11)B-(19)F coupling constants of the adducts are discussed.Amines NRR'R'' become chiral when complexed to Lewis acids, since complexation stops the rapid inversion process.Because of this the fluorines in R''R'RN*BF2X (X=Cl, Br, or I) adducts are diastereotopic and magnetically non-equivalent, differing in chemical shift by up to 2 p.p.m.The four-adduct system of benzyl(ethyl)methylamine with BF(n)I(3-n)(n=0-3) gives rise to the cation B(PhCH2NMeEt)2F2(1+) which, because of the chirality of the co-ordinated amines, exists in meso and optically active forms distinguishable by (19)F n.m.r. spectroscopy.

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