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1210881-27-8

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1210881-27-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1210881-27-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,0,8,8 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1210881-27:
(9*1)+(8*2)+(7*1)+(6*0)+(5*8)+(4*8)+(3*1)+(2*2)+(1*7)=118
118 % 10 = 8
So 1210881-27-8 is a valid CAS Registry Number.

1210881-27-8Relevant articles and documents

Asymmetric hydrogenation of quinoxalines catalyzed by iridium/PipPhos

Mrsic, Natasa,Jerphagnon, Thomas,Minnaard, Adriaan J.,Feringa, Ben L.,De Vries, Johannes G.

, p. 2549 - 2552 (2009)

A catalyst made in situ from the (cyclooctadiene)iridium chloride dimer, [Ir(COD)Cl]2, and the monodentate phosphoramidite ligand (S)-PipPhos was used in the enantioselective hydrogenation of 2- and 2,6-substituted quinoxalines. In the presence

Manganese catalyzed C-alkylation of methylN-heteroarenes with primary alcohols

Jana, Akash,Kumar, Amol,Maji, Biplab

supporting information, p. 3026 - 3029 (2021/03/29)

C-Alkylations of nine different classes of methyl-substitutedN-heteroarenes, including quinolines, quinoxalines, benzimidazoles, benzoxazoles, pyrazines, pyrimidines, pyridazines, pyridines, and triazines are disclosed. A bench stable earth-abundant Mn(i)-complex catalyzed the chemoselective hydrogen-transfer reaction utilizing a diverse range of primary alcohols as the non-fossil fuel-derived carbon source. The diversifiedN-heteroarenes (41 examples) were isolated in high yields and selectivities. Water is produced as the sole byproduct, making the protocol environmentally benign.

Iridium-Catalyzed C-Alkylation of Methyl Group on N-Heteroaromatic Compounds using Alcohols

Onoda, Mitsuki,Fujita, Ken-Ichi

supporting information, p. 7295 - 7299 (2020/10/02)

In this study, we developed a catalytic system for the C-alkylation of a methyl group on N-heteroaromatic compounds, including pyridine, pyrimidine, pyrazine, quinoline, quinoxaline, and isoquinoline, using alcohols based on a hydrogen-borrowing process with [Cp*IrCl2]2 (Cp*: η5-pentamethylcyclopentadienyl) combined with potassium t-butoxide and 18-crown-6-ether as the catalyst precursor.

Iron-catalysed alkylation of 2-methyl and 4-methyl azaarenes with alcoholsviaC-H bond activation

Banerjee, Debasis,Bera, Sourajit,Kabadwal, Lalit Mohan

supporting information, p. 4777 - 4780 (2020/05/13)

The first Fe-catalysed alkylation of 2-methyl and 4-methyl-azaarenes with a series of alkyl and hetero-aryl alcohols is reported (>39 examples and up to 95% yield). Multi-functionalisation of pyrazines and synthesis of anti-malarial drug (±) Angustureine significantly broaden the scope of this methodology. Preliminary mechanistic investigation, deuterium labeling and kinetic experiments including trapping of the enamine intermediate1a'are of special importance.

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