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(Z)-3-(2'-oxo-2'-phenyl)ethylidene isobenzofuran-1(3H)-one is a complex organic compound characterized by a unique molecular structure. It belongs to the class of isobenzofuran-1(3H)-ones, which are heterocyclic compounds with a benzene ring fused to a furan ring. The compound features a (Z)-configuration, indicating the geometric arrangement of the double bond, with the phenyl group and the oxo group on the same side of the double bond. The 2'-oxo-2'-phenylethylidene moiety suggests the presence of a phenyl ring with a carbonyl group (C=O) attached to it, which is connected to the isobenzofuran core through an ethylidene bridge. This chemical structure endows the compound with specific properties and potential applications in various fields, such as pharmaceuticals or materials science, although its specific uses are not detailed in this summary.

4333-66-8

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4333-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4333-66-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4333-66:
(6*4)+(5*3)+(4*3)+(3*3)+(2*6)+(1*6)=78
78 % 10 = 8
So 4333-66-8 is a valid CAS Registry Number.

4333-66-8Downstream Products

4333-66-8Relevant academic research and scientific papers

A convenient and highly regio and stereoselective method for the synthesis of (E)-3-alkylidene isobenzofuran-1(3H)-ones (phthalides)

Mukhopadhyay, Rupa,Kundu, Nitya G

, p. 9475 - 9480 (2007/10/03)

2-Iodobenzyl alcohol on treatment with acetylenic carbinols in the presence of a palladium catalyst and copper(I) iodide as a co-catalyst afforded disubstituted alkynes. Jones oxidation of the disubstituted alkynes led to (E)-3-alkylidene isobenzofuran-1(

Palladium-catalysed heteroannulation with terminal alkynes: Synthesis of phthalides

Kundu, Nitya G.,Pal, Manojit,Nandi, Bidisha

, p. 561 - 568 (2007/10/03)

The palladium-copper-catalysed heteroannulation of o-iodobenzoic acid 3 with terminal alkynes 4-18 leads to the synthesis of (Z)-3-alkylidenephthalides 19-33 as the major products. In certain cases, the formation of isocoumarins 34-37 is also observed.

A Convenient Synthesis of 3-Phenacylidenephthalides

Hori, Kimihiko,Takaishi, Naotake

, p. 1791 - 1792 (2007/10/02)

3-Phenacylidenephthalides were prepared by the dehydration of 2-(1,3-dioxo-3-phenylpropyl)benzoic acids, obtained in turn by the condensation of phthalic anhydride with acetophenones.

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