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108641-77-6

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108641-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108641-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,6,4 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108641-77:
(8*1)+(7*0)+(6*8)+(5*6)+(4*4)+(3*1)+(2*7)+(1*7)=126
126 % 10 = 6
So 108641-77-6 is a valid CAS Registry Number.

108641-77-6Downstream Products

108641-77-6Relevant articles and documents

Iridium-Catalyzed Asymmetric Borylation of Unactivated Methylene C(sp3)-H Bonds

Reyes, Ronald L.,Iwai, Tomohiro,Maeda, Satoshi,Sawamura, Masaya

, (2019/05/08)

Herein, we show the highly enantioselective borylation of unactivated methylene C(sp3)-H bonds in 2-alkylpyridines and 2-alkyl-1,3-azole derivatives using an iridium-BINOL-based chiral monophosphite catalyst system. Quantum chemical calculations using the artificial force induced reaction (AFIR) method suggested that a monophosphite-Ir-tris(boryl) complex generates a narrow chiral reaction pocket where the differentiation of the enantiotopic methylene C-H bonds is accomplished through an assembly of multiple noncovalent interactions.

ORGANOLITHIUM AND ORGANOSODIUM COMPOUNDS OF N-SUBSTITUTED 2-ALKYLBENZIMIDAZOLES

Tertov, B.A.,Bogachev, Yu.G.,Koshchienko, Yu.V.,Suvorova, G.M.,Tsupak, E.B.,et al.

, p. 868 - 872 (2007/10/02)

Organolithium and organosodium compounds of 1,2-dimethyl-, 1-methyl-2-ethyl-,1-methyl-2-propyl-, and 1-phenyl-2-methylbenzimidazole, containing the metal in the alkyl group at position C(2), were obtaind by metallation.It was found that metallation can be complicated by the addition of metalling reagent at the C=N bond of the heterocycle.It was shown that the obtained organometallic compounds can be used for the synthesis of various derivatives of benzimidazole.

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