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167780-11-2

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167780-11-2 Usage

Physical state

White solid at room temperature

Common uses

Synthesis of pharmaceuticals, organic compounds, solvent, intermediate in chemical production

Industrial applications

Pharmaceutical and chemical industries

Ongoing research

Properties and potential uses

Check Digit Verification of cas no

The CAS Registry Mumber 167780-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,7,8 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 167780-11:
(8*1)+(7*6)+(6*7)+(5*7)+(4*8)+(3*0)+(2*1)+(1*1)=162
162 % 10 = 2
So 167780-11-2 is a valid CAS Registry Number.

167780-11-2Relevant articles and documents

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Kohler,Bickel

, p. 1099 (1935)

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PAA-supported Hantzsch 1,4-dihydropyridine ester: An efficient catalyst for the hydrogenation of α,β-epoxy ketones

Zhou, Xin-Feng,Wang, Peng-Fei,Geng, Ye,Xu, Hua-Jian

supporting information, p. 5374 - 5377 (2013/09/12)

A new type of water-soluble polymer-supported NADH co-enzyme model-PAA (polyacrylic acid)-supported Hantzsch 1,4-dihydropyridine ester (PAA-HEH) was designed and synthesized. Catalytic amount of the supported reagent was used in the hydrogenation of α,β-epoxy ketones to the corresponding β-hydroxy ketones and showed great catalytic efficiency in the reduction reaction. This PAA-HEH was an optimal potential for recycling use.

Chemoselectivity in the reaction of 2-diazo-3-oxo-3-phenylpropanal with aldehydes and ketones

Zhang, Jiantao,Xu, Jiaxi

, p. 1733 - 1739 (2013/10/21)

The chemoselectivity in the reaction of 2-diazo-3-oxo-3-phenylpropanal (1) with aldehydes and ketones in the presence of Et3N was investigated. The results indicate that 1 reacts with aromatic aldehydes with weak electron-donating substituents and cyclic ketones under formation of 6-phenyl-4H-1,3-dioxin-4-one derivatives. However, it reacts with aromatic aldehydes with electron-withdrawing substituents to yield 1,3-diaryl-3-hydroxypropan-1-ones, accompanied by chalcone derivatives in some cases. It did not react with linear ketones, aliphatic aldehydes, and aromatic aldehydes with strong electron-donating substituents. A mechanism for the formation of 1,3-diaryl-3-hydroxypropan-1-ones and chalcone derivatives is proposed. We also tried to react 1 with other unsaturated compounds, including various olefins and nitriles, and cumulated unsaturated compounds, such as N,N′-dialkylcarbodiimines, phenyl isocyanate, isothiocyanate, and CS2. Only with N,N′-dialkylcarbodiimines, the expected cycloaddition took place. Copyright

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