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1681-24-9

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1681-24-9 Usage

General Description

Dibromoacetyl bromide is a chemical compound with the formula C2H2Br2O. It is a colorless to light yellow liquid with a pungent odor, and is primarily used as a reagent in organic synthesis, specifically in the preparation of pharmaceuticals and agricultural chemicals. Dibromoacetyl bromide is highly reactive and can undergo a variety of chemical reactions, including acylation and bromination. It is also a powerful acylating agent that is commonly used in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. However, it is important to handle dibromoacetyl bromide with care, as it is corrosive and can cause severe skin and eye irritation. Additionally, it is highly flammable and can release toxic fumes when heated.

Check Digit Verification of cas no

The CAS Registry Mumber 1681-24-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,8 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1681-24:
(6*1)+(5*6)+(4*8)+(3*1)+(2*2)+(1*4)=79
79 % 10 = 9
So 1681-24-9 is a valid CAS Registry Number.
InChI:InChI=1/C2HBr3O/c3-1(4)2(5)6/h1H

1681-24-9Relevant articles and documents

Liquid-phase oxidation of bromovinyl compounds with molecular oxygen

Bayatyan,Bayatyan,Saakyan

, p. 1849 - 1852 (2006)

Liquid-phase oxidation of bromovinyl compounds with the aim to obtain the corresponding α-bromo acids was studied.

STEREOCHEMICAL OBSERVATIONS IN THE SYNTHESIS OF NOVEL 1,4,5,9b-TETRAHYDRO-5-PHENYL-2H-AZETOIOSQUINOLIN-2-ONE DERIVATIVES

Nortey, Samuel O.,McComsey, David F.,Maryanoff, Bruce E.

, p. 1075 - 1088 (2007/10/02)

Imine (5) reacted with Cl2CHC(O)Cl in the presence of Et3N to give β-lactams (7a) and (7b) in a 4:1 ratio.The stereochemistry of cycloadduct (7a) was confirmed by X-ray analysis.Uncyclized intermediates were identified.Reduction of dichloro β-lactam (7a) with Zn/HOAc gave mostly exo monochloride (13a), with high stereoselectivity (10:1 ratio).Reduction of a mixture of exo and endo monochlorides (13a) and (13b) with Zn/HOAc indicated that the more sterically hidered endo chlorine is preferentially attacked.Reduction of (7a) with Bu3SnH gave β-lactam (14a) as the major product.

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