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4-(4-bromophenyl)tetrahydro-2-pyranone is a chemical compound with the molecular formula C11H13BrO2. It is a derivative of tetrahydro-2-pyranone, featuring a 4-bromophenyl group attached to the 4-position of the pyranone ring. 4-(4-bromophenyl)tetrahydro-2-pyranone is an organic molecule that belongs to the class of cyclic ketones, specifically a dihydro-2(3H)-pyranone. It is characterized by its unique structure, which includes a saturated six-membered ring with a carbonyl group at the 2-position and a bromine atom attached to the phenyl ring. 4-(4-bromophenyl)tetrahydro-2-pyranone may be used in the synthesis of various pharmaceuticals and organic compounds due to its reactive functional groups and structural diversity.

5666-77-3

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5666-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5666-77-3 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 5666-77:
(6*5)+(5*6)+(4*6)+(3*6)+(2*7)+(1*7)=123
123 % 10 = 3
So 5666-77-3 is a valid CAS Registry Number.

5666-77-3Downstream Products

5666-77-3Relevant academic research and scientific papers

From diols to lactones under aerobic conditions using a laccase/TEMPO catalytic system in aqueous medium

Gotor-Fernandez, Vicente,Diaz-Rodriguez, Alba,Lavandera, Ivan,Kanbak-Aksu, Seda,Sheldon, Roger A.,Gotor, Vicente

, p. 3405 - 3408 (2013/02/22)

An efficient catalytic system to oxidize quantitatively aliphatic diols using Trametes versicolor laccase and TEMPO has been developed in aqueous medium. Oxidations have occurred in a non-stereoselective fashion but with complete regio- and/or monoselectivity, obtaining lactones with excellent purity after simple extraction. This catalytic system has been demonstrated to be scalable, compatible with the presence of a variety of functionalities, and also allowed the successful enzyme recycling using a laccase-cross-linked enzyme aggregates (CLEA) preparation.

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