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6844-18-4

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6844-18-4 Usage

Appearance

White crystalline solid

Common uses

Synthesis of pharmaceuticals and organic compounds, fragrance ingredient in perfumes, starting material for the production of other chemicals, building block for the synthesis of pharmaceuticals and other organic compounds, production of various drugs, reagent in organic chemistry reactions

Safety

Relatively safe when handled and used according to proper precautions and guidelines

Check Digit Verification of cas no

The CAS Registry Mumber 6844-18-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6844-18:
(6*6)+(5*8)+(4*4)+(3*4)+(2*1)+(1*8)=114
114 % 10 = 4
So 6844-18-4 is a valid CAS Registry Number.

6844-18-4Relevant articles and documents

Nickel-Catalyzed Addition of Aryl Bromides to Aldehydes to Form Hindered Secondary Alcohols

Garcia, Kevin J.,Gilbert, Michael M.,Weix, Daniel J.

supporting information, p. 1823 - 1827 (2019/02/14)

Transition-metal-catalyzed addition of aryl halides across carbonyls remains poorly developed, especially for aliphatic aldehydes and hindered substrate combinations. We report here that simple nickel complexes of bipyridine and PyBox can catalyze the addition of aryl halides to both aromatic and aliphatic aldehydes using zinc metal as the reducing agent. This convenient approach tolerates acidic functional groups that are not compatible with Grignard reactions, yet sterically hindered substrates still couple in high yield (33 examples, 70% average yield). Mechanistic studies show that an arylnickel, and not an arylzinc, adds efficiently to cyclohexanecarboxaldehyde, but only in the presence of a Lewis acid co-catalyst (ZnBr2).

Synthetic approach towards trisubstituted methanes and a chiral tertiary α-hydroxyaldehyde, a possible intermediate for tetrasubstituted methanes

Singh, Priyanka,Dinda, Subal Kumar,Shagufta,Panda, Gautam

, p. 12100 - 12103 (2013/09/02)

A series of trisubstituted methanes containing aryl and heteroaryl rings, as well as a sulfur spacer between the central methano-carbon and benzene ring, is reported. In an approach towards asymmetric tetrasubstituted methane with high enantioselectivity,

Use of cheaper metal than Rh, CHCl3-free Pd catalyst, in 1,2-addition of aromatic aldehydes with arylboronic acids

Suzuki, Kiyoto,Arao, Takafumi,Ishii, Satoru,Maeda, Yuka,Kondo, Kazuhiro,Aoyama, Toyohiko

, p. 5789 - 5792 (2007/10/03)

Pd(OAc)2-(±)-tol-BINAP-catalyzed arylation reaction of aromatic aldehydes with arylboronic acids in the absence of CHCl3 is described.

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