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3,4-dihydro-6-p-tolylpyran-2-one is a chemical compound with the molecular formula C12H14O2. It is a heterocyclic compound, specifically a pyran derivative, which features a six-membered oxygen-containing ring. The compound is characterized by a dihydro structure, indicating the presence of two hydrogen atoms attached to the ring, and a p-tolyl group (a para-tolyl group, which is a benzene ring with a methyl group attached to the para position) at the 6th position of the pyran ring. This organic compound may be used in the synthesis of various pharmaceuticals and other organic compounds due to its unique structure and reactivity.

4118-50-7

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4118-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4118-50-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,1 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4118-50:
(6*4)+(5*1)+(4*1)+(3*8)+(2*5)+(1*0)=67
67 % 10 = 7
So 4118-50-7 is a valid CAS Registry Number.

4118-50-7Relevant academic research and scientific papers

Silica-Supported Cationic Gold(I) Complexes as Heterogeneous Catalysts for Regio- and Enantioselective Lactonization Reactions

Shu, Xing-Zhong,Nguyen, Son C.,He, Ying,Oba, Fadekemi,Zhang, Qiao,Canlas, Christian,Somorjai, Gabor A.,Alivisatos, A. Paul,Toste, F. Dean

supporting information, p. 7083 - 7086 (2015/06/25)

An efficient method for the synthesis of heterogeneous gold catalysts has been developed. These catalysts were easily assembled from readily available silica materials and gold complexes. The heterogeneous catalysts exhibited superior reactivity in various reactions where protodeauration is the rate-limiting step. Dramatic enhancement in regio- and enantioselectivity was observed when compared to the homogeneous unsupported gold catalyst. The catalysts are easily recovered and recycled up to 11 times without loss of enantioselectivity.

Aspects of Tautomerism. Part 15. Investigations on Oxo-participation in δ-Oxocarboxylic Acid Chlorides during their Formation and Alcoholysis

Shashidhar, M. Srikantaiah,Bhatt, M. Vivekananda

, p. 355 - 358 (2007/10/02)

Oxalyl chloride converts ring-substituted 4-benzoylbutyric acids into a mixture of normal and pseudoacid chlorides by two independent and competing pathways.Pseudoacid chlorides are formed by a concerted 2?+2?+2? pathway.I

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