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4H-1-Benzopyran-4-one, 2,3-dihydro-3-[(4-hydroxyphenyl)methylene]-, also known as 3-(4-hydroxybenzylidene)-2,3-dihydro-4H-1-benzopyran-4-one, is a chemical compound with the molecular formula C15H12O3. It is a derivative of chromone, a heterocyclic compound consisting of a benzene ring fused to a pyran ring. This specific compound features a 4-hydroxyphenyl group attached to the chromone core through a methylene bridge. It is an important intermediate in the synthesis of various natural products and pharmaceuticals, such as flavonoids and anti-inflammatory agents, due to its unique structure and reactivity.

5559-27-3

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5559-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5559-27-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,5 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5559-27:
(6*5)+(5*5)+(4*5)+(3*9)+(2*2)+(1*7)=113
113 % 10 = 3
So 5559-27-3 is a valid CAS Registry Number.

5559-27-3Relevant academic research and scientific papers

Synthesis and SAR study of new hydroxy and chloro-substituted 2,4-diphenyl 5H-chromeno[4,3-b]pyridines as selective topoisomerase IIα-targeting anticancer agents

Magar, Til Bahadur Thapa,Seo, Seung Hee,Kadayat, Tara Man,Jo, Hyunji,Shrestha, Aarajana,Bist, Ganesh,Katila, Pramila,Kwon, Youngjoo,Lee, Eung-Seok

, p. 1909 - 1919 (2018)

As part of our effort to develop potential topoisomerase IIα (topo IIα) targeting anticancer agents, we systematically designed a new series of hydroxy and chloro-substituted 2,4-diphenyl 5H-chromeno[4,3-b]pyridines. Total eighteen compounds were synthesi

Design and synthesis of conformationally constrained hydroxylated 4-phenyl-2-aryl chromenopyridines as novel and selective topoisomerase II-targeted antiproliferative agents

Thapa, Pritam,Jun, Kyu-Yeon,Kadayat, Tara Man,Park, Chanmi,Zheng, Zhi,Thapa Magar, Til Bahadur,Bist, Ganesh,Shrestha, Aarajana,Na, Younghwa,Kwon, Youngjoo,Lee, Eung-Seok

, p. 6454 - 6466 (2015/10/05)

To develop novel selective topoisomerase II inhibitors, we designed and synthesized a series of conformationally constrained hydroxylated 4-phenyl-2-aryl chromenopyridines and evaluated their topoisomerase inhibitory activity and cytotoxicity against thre

Synthesis, structure, and estrogenic activity of 2- and 3-substituted 2,3-dihydro-4H-1-benzopyran-4-ones

Jacquot, Yves,Byrne, Cillian,Xicluna, Alain,Leclercq, Guy

, p. 681 - 691 (2013/04/10)

Molecules with potent estrogenic activity are ~270 A3 hydrophobic structures that encompass two hydroxyls among which is at least one phenol. However, compounds with only one phenol or devoid of such a ring have been shown to enhance ERα-mediat

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