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4015-28-5

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4015-28-5 Usage

Uses

6-Chloro-4-phenylquinazoline is an intermediate in the synthesis of 6-chloro1,4-dihydro-1-methyl-4-phenyl-4-quinazolinol (C371025)..

Check Digit Verification of cas no

The CAS Registry Mumber 4015-28-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,1 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4015-28:
(6*4)+(5*0)+(4*1)+(3*5)+(2*2)+(1*8)=55
55 % 10 = 5
So 4015-28-5 is a valid CAS Registry Number.

4015-28-5Relevant articles and documents

Palladium(II)-Catalyzed Three-Component Tandem Cyclization Reaction for the One-Pot Assembly of 4-Arylquinazolines

Wang, Zijuan,Chen, Wenteng,He, Chang,Zhang, Guolin,Yu, Yongping

, p. 1356 - 1364 (2020/11/09)

A one-pot method for joining three separate components leading to an assortment of 4-arylquinazolines (27 examples) in good to excellent yields is described. The method consists of a palladium(II)-catalyzed?-cascade reaction involving C(sp)-C(sp 2/s

“On-Water” Palladium-Catalyzed Tandem Cyclization Reaction for the Synthesis of Biologically Relevant 4-Arylquinazolines

Yuan, Shuo,Yu, Bin,Liu, Hong-Min

supporting information, p. 13109 - 13113 (2019/10/22)

The quinazoline scaffold is prevalent in pharmaceutically relevant molecules that show diverse biological activities. Herein, we report an efficient “on-water” palladium-catalyzed tandem cyclization reaction from commercially available arylboronic acids and benzonitriles that enable the rapid access to 4-arylquinazoline scaffolds in good to excellent yields (45 examples, up to 98 % yield). This protocol has shown good functional group tolerance and broad substrate scope. The reaction was also performed on a gram scale and successfully applied to the synthesis of the highly potent and selective PI3Kδ inhibitor N11, showing the practicability and synthetic utility of the protocol. In this reaction, the quinazoline scaffold is efficiently constructed with the simultaneous formation of one C?C bond and one C?N bond. Collectively, the protocol could serve as an alternative strategy to synthesize biologically important quinazoline scaffolds.

Silver-Catalyzed Isocyanide Insertion into N?H Bond of Ammonia: [5+1] Annulation to Quinazoline Derivatives

Zhang, Lingjuan,Li, Juanjuan,Hu, Zhongyan,Dong, Jinhuan,Zhang, Xian-Ming,Xu, Xianxiu

supporting information, p. 1938 - 1942 (2018/04/02)

A silver-catalyzed [5+1] annulation of o-acylaryl isocyanides with ammonium acetate and hydroxlamine was developed for the efficient and practical synthesis of quinazolines and quinazoline 3-oxides in good to excellent yields, respectively. The domino process involved an unprecedented isocyanide insertion into the N?H bond of ammonia or hydroxylamine and followed by condensation reaction at ambient conditions. (Figure presented.).

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