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Ethyldichloroborane, also known as C2H6BCl2, is an organoborane compound that consists of a boron atom bonded to an ethyl group (C2H5) and two chlorine atoms. It is a colorless, volatile, and highly reactive liquid with a pungent odor. Ethyldichloroborane is primarily used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through hydroboration reactions. It is also employed in the synthesis of various organoborane compounds and as a reducing agent in certain chemical transformations. Due to its high reactivity, ethyldichloroborane must be handled with caution, as it can react violently with water and is sensitive to air and moisture.

1739-53-3

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1739-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1739-53-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,3 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1739-53:
(6*1)+(5*7)+(4*3)+(3*9)+(2*5)+(1*3)=93
93 % 10 = 3
So 1739-53-3 is a valid CAS Registry Number.
InChI:InChI=1/C2H5BCl2/c1-2-3(4)5/h2H2,1H3

1739-53-3Relevant academic research and scientific papers

Substituted 2,5-Dihydro-1,2,5-oxoniadiboratoles, cis-1,2-Diborylalkenes, and 1,2,5-Oxadiborolanes - Preparation and Characterization

Koester, Roland,Seidel, Guenter

, p. 1351 - 1362 (2007/10/02)

The potassium salts (A: R = R' = Et; B: R2 = C8H14, R' = Me; C: R2 = C8H14, R' = Et) react with various electrophiles (H+, R+, Me3E(IV)+) to form substituted 1,3,2-diboroxanes (1, iso8b) including 1,2,5-oxadiborolanes (2, 4, 6, 9, 10), dialkylvinylboranes (1'), 2,5-dihydro-1,2,5-oxoniadiboratoles (3, 5) and cis-1,2-diborylalkenes (7, 8).In particular, A-C react with HCl (as Me3NHCl/THF or HCl/Et2O) to give O2 (1a; R = Me; 1b: R = Et), R2BCR'= Et; 2b: R2 = R' = Et) and (2a: R,R' = Et; 2b: R2 = C8H14, R' = Me; 2c: R2 = C8H14, R'= Et).With MeI in THF the cyclic compounds (3a) or (4b/4'b: R = Me; 4c/4'c: R = Et) and with Et3O*BF4 in CH2Cl2 the heterocycle (5a) and cis-EtOB(C8H14)C(Et)=C(Et)BEt (5c) and/or (6b: R = Me; 6c: R = Et) are obtained.The reactions of A with ClEl(IV)Me3(El(IV) = Si, Ge, Sn) lead to cis-Et2BC(Et)=CB(Et)OEl(IV)Me3 (El = Si (7a), Ge (8a)) and to cyclic (9a).The salts B and C react with ClEl(IV)Me3 (El(IV) = Si, Ge) to form cis-C8H14BC(R)=C(Et)B(Et)OEl(IV)Me3 (El(IV) = Si: 7b: R = Me; 7c: R = Et; El(IV) = GE: 8b: R= Me, 8c: R = Et).On heating 8b isomerizes to cis-Me3GeC(Me)=C(Et)B(Et)OBC8H14 (iso8b).From B and C with ClSnMe3 the substituted 1,2,5-oxadiborolanes (10b/10'b: R = Me; 10c: R = Et) are obtained together with (C8H14B)2O.Key Words: 1,2,5-Oxoniadiboratoles, 1,5-dihydro-, organo-substituted / 1,2,5-Oxadiborolanes, organo-substituted / 1,3,2-Diboroxanes, substituted with unsaturated residues / Boryl-germyl exchange / cis-1,2-Diborylalkenes, organo-substituted

A New Borylation Method for Alkylbenzene and Polystyrene

Paetzold, Peter,Hoffmann, Juergen

, p. 3724 - 3733 (2007/10/02)

The borylation of alkylbenzenes by Hal2BH (Hal = F, Cl, Br) gives H2 and a mixture of m- and p-alkyl(dihaloboryl)benzenes.In the case of bulky alkyl groups, such as isopropyl, tert-butyl, these are partially split off as R - H and RBHal2.The phenyl groups in polystyrene-divinylbenzene copolymers undergo borylation with Br2BH in a 55percent yield.

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