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(E)-1-p-Tolyl-penta-1,4-dien-3-one is an organic compound characterized by a pentadienone structure with a p-tolyl group attached to the 1-position. This molecule features a conjugated diene system with a carbonyl group at the 3-position, which contributes to its reactivity and potential applications in organic synthesis. The p-tolyl group, a phenyl ring with a methyl substituent at the para position, provides additional steric and electronic effects to the molecule. (E)-1-p-Tolyl-penta-1,4-dien-3-one can be used as a building block in the synthesis of more complex organic molecules, particularly in the preparation of pharmaceuticals and other specialty chemicals. Its unique structure and reactivity make it a valuable intermediate in various chemical transformations.

13278-05-2

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13278-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13278-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,2,7 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13278-05:
(7*1)+(6*3)+(5*2)+(4*7)+(3*8)+(2*0)+(1*5)=92
92 % 10 = 2
So 13278-05-2 is a valid CAS Registry Number.

13278-05-2Upstream product

13278-05-2Downstream Products

13278-05-2Relevant academic research and scientific papers

Chiral naphthyl-C2-indole as scaffold for phosphine organocatalysis: Application in asymmetric formal [4 + 2] cycloaddition reactions

He, Tingting,Peng, Lei,Li, Shan,Hu, Fangli,Xie, Chuandong,Huang, Shengli,Jia, Shiqi,Qin, Wenling,Yan, Hailong

supporting information, p. 6966 - 6971 (2020/09/15)

The applications of a newly designed chiral naphthyl-C2-indole bifunctional phosphine organocatalyst in stereoselective formal [4 + 2] cycloaddition reactions were reported. The chiral naphthyl-C2-indole skeleton was introduced to bifunctional phosphine o

Phosphine-catalyzed asymmetric formal [4+2] tandem cyclization of activated dienes with isatylidenemalononitriles: Enantioselective synthesis of multistereogenic spirocyclic oxindoles

Hu, Fang-Le,Wei, Yin,Shi, Min

supporting information, p. 736 - 742 (2014/04/03)

The first highly enantioselective formal [4+2] tandem cyclizations between isatylidenemalononitriles and activated dienes catalyzed by bifunctional chiral phosphine catalysts have been developed, yielding multistereogenic spirocyclic oxindoles in high yie

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