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138371-97-8

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138371-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138371-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,7 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138371-97:
(8*1)+(7*3)+(6*8)+(5*3)+(4*7)+(3*1)+(2*9)+(1*7)=148
148 % 10 = 8
So 138371-97-8 is a valid CAS Registry Number.

138371-97-8Relevant articles and documents

Decarboxylative Conjunctive Cross-coupling of Vinyl Boronic Esters using Metallaphotoredox Catalysis

Aggarwal, Varinder K.,Duong, Vincent K.,Mega, Riccardo S.,Noble, Adam

supporting information, p. 4375 - 4379 (2020/02/11)

The synthesis of complex alkyl boronic esters through conjunctive cross-coupling of vinyl boronic esters with carboxylic acids and aryl iodides is described. The reaction proceeds under mild metallaphotoredox conditions and involves an unprecedented decarboxylative radical addition/cross-coupling cascade of vinyl boronic esters. Excellent functional-group tolerance is displayed, and application of a range of carboxylic acids, including secondary α-amino acids, and aryl iodides provides efficient access to highly functionalized alkyl boronic esters. The decarboxylative conjunctive cross-coupling was also applied to the synthesis of sedum alkaloids.

Enantioselective synthesis of lobeline via nonenzymatic desymmetrization

Birman, Vladimir B.,Jiang, Hui,Li, Ximin

, p. 3237 - 3240 (2008/02/11)

Lobeline has been prepared in enantiopure form via desymmetrization of lobelanidine with use of BTM, a nonenzymatic enantioselective acyl transfer catalyst.

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