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(E)-1-Phenyl-4-phenylselanyl-hex-2-en-1-one is an organic compound characterized by a conjugated enone system with a phenyl group at the 1-position and a phenylselanyl (phenylselenium) group at the 4-position. This molecule features a hex-2-en-1-one backbone, indicating a hexene with a carbonyl group at the 1-position and a double bond between the 2nd and 3rd carbon atoms. The presence of selenium in the phenylselanyl group distinguishes (E)-1-Phenyl-4-phenylselanyl-hex-2-en-1-one from its sulfur analog, phenylthio, and may confer unique chemical properties due to the different electronegativity and size of selenium compared to sulfur. (E)-1-Phenyl-4-phenylselanyl-hex-2-en-1-one could be of interest in organic synthesis, particularly in reactions involving selenium-containing intermediates, and may have potential applications in the development of pharmaceuticals or materials science.

91890-81-2

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91890-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91890-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,9 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91890-81:
(7*9)+(6*1)+(5*8)+(4*9)+(3*0)+(2*8)+(1*1)=162
162 % 10 = 2
So 91890-81-2 is a valid CAS Registry Number.

91890-81-2Relevant academic research and scientific papers

PROPRIETES DES α-PHENYLSELENOALDEHYDES REACTIONS DE WITTIG CONDUISANT A DES α-HYDROXYESTERS ET CETONES β,γ-ETHYLENIQUES ET A DES ALDEHYDES α,β-ETHYLENIQUES

Lerouge, Patrice,Paulmier, Claude

, p. 1983 - 1986 (2007/10/02)

Wittig and Wittig-Horner reactions with α-phenylselenoaldehydes lead to allylic selenides.The corresponding selenoxides undergo 2,3-sigmatropic rearrangement providing a route to α-hydroxy β,γ-ethylenic esters and ketones in good yields.In a some way, we prepare, also enals with an additional carbon.

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