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56985-67-2

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56985-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56985-67-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,8 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56985-67:
(7*5)+(6*6)+(5*9)+(4*8)+(3*5)+(2*6)+(1*7)=182
182 % 10 = 2
So 56985-67-2 is a valid CAS Registry Number.

56985-67-2Relevant articles and documents

Highly efficient NHC-iridium-catalyzed β-methylation of alcohols with methanol at low catalyst loadings

Lu, Zeye,Zheng, Qingshu,Zeng, Guangkuo,Kuang, Yunyan,Clark, James H.,Tu, Tao

, p. 1361 - 1366 (2021/06/30)

The methylation of alcohols is of great importance since a broad number of bioactive and pharmaceutical alcohols contain methyl groups. Here, a highly efficient β-methylation of primary and secondary alcohols with methanol has been achieved by using bis-N-heterocyclic carbene iridium (bis-NHC-Ir) complexes. Broad substrate scope and up to quantitative yields were achieved at low catalyst loadings with only hydrogen and water as by-products. The protocol was readily extended to the β-alkylation of alcohols with several primary alcohols. Control experiments, along with DFT calculations and crystallographic studies, revealed that the ligand effect is critical to their excellent catalytic performance, shedding light on more challenging Guerbet reactions with simple alcohols. [Figure not available: see fulltext.].

Chiroptical properties of 1,3-diphenylallene-anchored tetrathiafulvalene and its polymer synthesis

Hasegawa, Masashi,Endo, Junta,Iwata, Seiya,Shimasaki, Toshiaki,Mazaki, Yasuhiro

supporting information, p. 972 - 979 (2015/08/18)

A novel tetrathiafulvalene dimer, bridged by a chiral 1,3-diphenylallene framework, has been prepared as an optically active compound having strong chiroptical properties. Although a chiral allene bearing strong electron-donating group(s) often undergoes slow photoracemization even in daylight, the present allene is totally configurationally stable under ordinary conditions. Each isomer possesses pronounced chiroptical properties in its ECD spectra reflecting the chiral allene framework. Moreover, the elongation of the chiral main chain was also carried out by direct C-H activation of the TTF unit, and the chiroptical properties of the resulting polymer were also investigated.

CYCLOALKYL NITRILE PYRAZOLO PYRIDONES AS JANUS KINASE INHIBITORS

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Page/Page column 133, (2014/10/03)

Compounds of formula I are provided, which are JAK inhibitors and are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.

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