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4-(4-chlorophenyl)tetrahydro-2H-pyran-2-one is a chemical compound with the molecular formula C11H13ClO2. It is a derivative of tetrahydro-2H-pyran-2-one, featuring a 4-chlorophenyl group attached to the 4-position of the tetrahydro-2H-pyran-2-one structure. 4-(4-chlorophenyl)tetrahydro-2H-pyran-2-one is an organic molecule that belongs to the class of cyclic ethers, specifically a tetrahydro-2H-pyran-2-one derivative. It is characterized by its cyclic structure, which includes a six-membered ring with one oxygen atom and five carbon atoms, and a 4-chlorophenyl substituent that adds a chlorine atom to the para position of a phenyl ring. 4-(4-chlorophenyl)tetrahydro-2H-pyran-2-one may be of interest in organic synthesis and pharmaceutical chemistry due to its unique structure and potential reactivity.

5666-78-4

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5666-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5666-78-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,6 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5666-78:
(6*5)+(5*6)+(4*6)+(3*6)+(2*7)+(1*8)=124
124 % 10 = 4
So 5666-78-4 is a valid CAS Registry Number.

5666-78-4Downstream Products

5666-78-4Relevant academic research and scientific papers

Rh-IndOlefOx catalyzed conjugate addition/Heck-type coupling of organoboronics to a lactam or a lactone

Kuuloja, Noora,Vaismaa, Matti,Franzén, Robert

supporting information; experimental part, p. 2313 - 2318 (2012/04/04)

Four indole-olefin-oxazoline (IndOlefOx) ligands were synthesized and evaluated in Rh-catalyzed reactions between organoboronics and a lactam or a lactone. In addition to the expected conjugate addition products, the formation of significant amounts of Heck-type products was observed. The scope and limitations of these reactions were investigated.

Enzymatic desymmetrization of 3-arylglutaric acid anhydrides

Fryszkowska, Anna,Komar, Marta,Koszelewski, Dominik,Ostaszewski, Ryszard

, p. 2475 - 2485 (2007/10/03)

Optically active (R)- and (S)-3-arylglutaric acid monoesters 3 were synthesized in quantitative yields and good stereoselectivities by lipase-catalyzed desymmetrization of the corresponding 3-arylglutaric anhydrides 2 with alcohols. It was observed that the stereochemical outcome of the reaction was influenced by the substituents present on the aromatic ring. The influence of the enzyme, alcohol, and solvent was systematically examined. Absolute configurations of the monoesters 3 were assigned by chemical correlation to corresponding lactones 4.

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