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1774-66-9

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1774-66-9 Usage

Synthesis Reference(s)

Synthetic Communications, 23, p. 271, 1993 DOI: 10.1080/00397919308009778

Check Digit Verification of cas no

The CAS Registry Mumber 1774-66-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,7 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1774-66:
(6*1)+(5*7)+(4*7)+(3*4)+(2*6)+(1*6)=99
99 % 10 = 9
So 1774-66-9 is a valid CAS Registry Number.
InChI:InChI=1/C15H11BrO/c16-14-9-6-12(7-10-14)8-11-15(17)13-4-2-1-3-5-13/h1-11H/b11-8+

1774-66-9Relevant articles and documents

Water compatible multicomponent cascade suzuki/heck-aldol, suzuki-aldol-suzuki, and aldol-suzuki-aldol reactions: An ecofriendly paradigm for multiple carbon-carbon bond formation in one pot

Kumar, Rajesh,Richa,Andhare, Nitin H.,Shard, Amit,Sinha, Arun K.

, p. 14798 - 14803 (2013)

Aryls in hot water: A versatile strategy has been devised for the synthesis of biologically active biaryl(hetero)chalcones from readily available precursors (see scheme). The method is step, pot, and carbon economic, ligand-free, devoid of toxic reagents/solvents, and has a wide substrate scope. Copyright

Iridium and copper supported on silicon dioxide as chemoselective catalysts for dehydrogenation and borrowing hydrogen reactions

Zhu, Guanxin,Duan, Zheng-Chao,Zhu, Haiyan,Qi, Minghui,Wang, Dawei

, (2021/04/02)

High active ligand usually plays an important role during catalysis and synthesis chemistry. A new and efficient benzotriazole-pyridinyl-silane ligand (BPS) was designed, and the corresponding iridium and copper catalysts were synthesized and thoroughly characterized by means of EDS, TEM, and XPS. The resulting iridium composite revealed excellent catalytic activity for the reaction of tert-butanesulfinamide with benzyl alcohols, while copper catalyst could realize the synthesis of unsaturated carbonyl compounds through the reaction of benzyl alcohols with ketones. This provided an efficient method for selective synthesis of unsaturated carbonyl compounds from benzyl alcohols and ketones in high yields with good recovery performance.

Pharmacophore hybridization approach to discover novel pyrazoline-based hydantoin analogs with anti-tumor efficacy

Upadhyay, Neha,Tilekar, Kalpana,Loiodice, Fulvio,Anisimova, Natalia Yu.,Spirina, Tatiana S.,Sokolova, Darina V.,Smirnova, Galina B.,Choe, Jun-yong,Meyer-Almes, Franz-Josef,Pokrovsky, Vadim S.,Lavecchia, Antonio,Ramaa

, (2020/12/21)

In search for new and safer anti-cancer agents, a structurally guided pharmacophore hybridization strategy of two privileged scaffolds, namely diaryl pyrazolines and imidazolidine-2,4-dione (hydantoin), was adopted resulting in a newfangled series of compounds (H1-H22). Herein, a bio-isosteric replacement of “pyrrolidine-2,5-dione” moiety of our recently reported antitumor hybrid incorporating diaryl pyrazoline and pyrrolidine-2,5-dione scaffolds with “imidazoline-2,4-dione” moiety has been incorporated. Complete biological studies revealed the most potent analog among all i.e. compound H13, which was at-least 10-fold more potent compared to the corresponding pyrrolidine-2,5-dione, in colon and breast cancer cells. In-vitro studies showed activation of caspases, arrest of G0/G1 phase of cell cycle, decrease in the expression of anti-apoptotic protein (Bcl-2) and increased DNA damage. In-vivo assay on HT-29 (human colorectal adenocarcinoma) animal xenograft model unveiled the significant anti-tumor efficacy along with oral bioavailability with maximum TGI 36% (i.p.) and 44% (per os) at 50 mg/kg dose. These findings confirm the suitability of hybridized pyrazoline and imidazolidine-2,4-dione analog H13 for its anti-cancer potential and starting-point for the development of more efficacious analogs.

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