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86049-38-9

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86049-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86049-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,0,4 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 86049-38:
(7*8)+(6*6)+(5*0)+(4*4)+(3*9)+(2*3)+(1*8)=149
149 % 10 = 9
So 86049-38-9 is a valid CAS Registry Number.

86049-38-9Relevant articles and documents

Palladium-Catalyzed Cross-Coupling of Furfuryl Alcohols with Arylboronic Acids via Aromatization-Driven Carbon?Carbon Bond Cleavage to Synthesize 5-Arylfurfuryl Alcohols and 2,5-Diaryl Furans

Huang, Guanghao,Yin, Biaolin

supporting information, p. 5576 - 5586 (2019/11/14)

Herein we report a protocol for novel palladium-catalyzed cross-coupling reactions of sustainably produced primary furfuryl alcohols with arylboronic acids to deliver 5-arylfurfuryl alcohols and 2,5-diaryl furans. Hammett plot analysis suggested that the reaction mechanism involved aromatization-driven cleavage of the carbon?carbon bond of a furan oxonium ion intermediate. This protocol provides a simple, practical way to transform 5-hydroxymethylfurfural into useful compounds. (Figure presented.).

Murai Reaction on Furfural Derivatives Enabled by Removable N,N′-Bidentate Directing Groups

Pezzetta, Cristofer,Veiros, Luis F.,Oble, Julie,Poli, Giovanni

supporting information, p. 8385 - 8389 (2017/06/28)

Furfural and related compounds are industrially relevant building blocks obtained from lignocellulosic biomass. To enhance the added value of these renewable resources, a Ru-catalyzed hydrofurylation of alkenes, involving a directed C?H activation at C3 of the furan ring, was developed. A thorough experimental study revealed that a bidentate amino-imine directing group enabled the desired coupling. Removal of the directing group occurred during the purification step, directly releasing the C3-functionalized furfurals. Development of the reaction as well as optimization and scope of the method were described. A mechanism was proposed on the basis of DFT calculations.

Trienamines derived from 5-substituted furfurals: Remote ε-functionalization of 2,4-dienals

Coelho, Jaime A. S.,Trindade, Alexandre F.,Andr, Vnia,Teresa Duarte,Veiros, Luis F.,Afonso, Carlos A.M.

supporting information, p. 9324 - 9328 (2014/12/11)

The selective ε-functionalization of 5-substituted furfurals via trienamine intermediates is reported herein. This methodology was successfully applied to several 5-substituted furfurals with different amines via formation of a trienamine through the furan ring. The rationalized reaction mechanism involves the addition of the trienamine intermediate to its corresponding iminium-ion producing new furan-containing scaffolds.

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