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166438-86-4

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166438-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166438-86-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,4,3 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 166438-86:
(8*1)+(7*6)+(6*6)+(5*4)+(4*3)+(3*8)+(2*8)+(1*6)=164
164 % 10 = 4
So 166438-86-4 is a valid CAS Registry Number.
InChI:InChI=1/C13H18N2O/c1-14-7-2-8-15(10-9-14)13-5-3-12(11-16)4-6-13/h3-6,11H,2,7-10H2,1H3

166438-86-4Downstream Products

166438-86-4Relevant articles and documents

A “universal” catalyst for aerobic oxidations to synthesize (hetero)aromatic aldehydes, ketones, esters, acids, nitriles, and amides

Bartling, Stephan,Beller, Matthias,Chandrashekhar, Vishwas G.,Jagadeesh, Rajenahally V.,Rabeah, Jabor,Rockstroh, Nils,Senthamarai, Thirusangumurugan

supporting information, p. 508 - 531 (2022/02/11)

Functionalized (hetero)aromatic compounds are indispensable chemicals widely used in basic and applied sciences. Among these, especially aromatic aldehydes, ketones, carboxylic acids, esters, nitriles, and amides represent valuable fine and bulk chemicals, which are used in chemical, pharmaceutical, agrochemical, and material industries. For their synthesis, catalytic aerobic oxidation of alcohols constitutes a green, sustainable, and cost-effective process, which should ideally make use of active and selective 3D metals. Here, we report the preparation of graphitic layers encapsulated in Co-nanoparticles by pyrolysis of cobalt-piperazine-tartaric acid complex on carbon as a most general oxidation catalyst. This unique material allows for the synthesis of simple, functionalized, and structurally diverse (hetero)aromatic aldehydes, ketones, carboxylic acids, esters, nitriles, and amides from alcohols in excellent yields in the presence of air.

Imidazole derivatives

-

, (2008/06/13)

The present invention relates to the imidazole derivative of the following formula (I) wherein R1 is hydrogen, optionally substituted alkyl and the like, R2 is hydrogen, optionally substituted alkyl and the like, R3is optionally substituted heteroaryl, R4 is optionally substituted cycloalkyl, optionally substituted phenyl and the like, provided that when R1 is hydrogen, and R2 and R4 are the same or different and each is phenyl or phenyl substituted by halogen atom, lower alkyl or lower alkoxy, R3 is benzothiazolyl or thiazolyl substituted by phenyl, the imidazole derivative of the following formula (XII) wherein R6 is optionally substituted phenyl or optionally substituted heteroaryl and R7 is substituted phenyl, and pharmaceutically acceptable salts thereof. The compounds of the formulas (I) and (XII) and pharmaceutically acceptable salts thereof of the present invention inhibit IL-4 and IL-5 production by Th2 cells and are effective for the prophylaxis and treatment of allergic diseases such as atopic dermatitis, bronchial asthma, allergic rhinitis and the like.

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