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70787-27-8

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70787-27-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70787-27-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,7,8 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70787-27:
(7*7)+(6*0)+(5*7)+(4*8)+(3*7)+(2*2)+(1*7)=148
148 % 10 = 8
So 70787-27-8 is a valid CAS Registry Number.
InChI:InChI=1/C13H10BrNO/c14-11-8-4-5-9-12(11)15-13(16)10-6-2-1-3-7-10/h1-9H,(H,15,16)

70787-27-8Relevant articles and documents

Pd-Catalyzed Carbonylative Synthesis of 4H-Benzo[d][1,3]Oxazin-4-Ones Using Benzene-1,3,5-Triyl Triformate as the CO Source

Zheng, Yan,Dong, Mengke,Qu, Erdong,Bai, Jin,Wu, Xiao-Feng,Li, Wanfang

supporting information, p. 16219 - 16224 (2021/10/06)

A facile synthesis of 4H-benzo[d][1,3]oxazin-4-one derivatives by Pd-catalyzed carbonylative cross-coupling between N-(ortho-bromoaryl)amides and benzene-1,3,5-triyl triformate (TFBen) was developed. This procedure does not require the toxic and flammable gas CO as the carbonyl source and tolerates a wide scope of functional groups. Remarkably, 4H-benzo[d][1,3]oxazin-4-ones incorporated to natural products and drugs can be constructed by this method.

Photocatalyst- And Transition-Metal-Free Visible-Light-Promoted Intramolecular C(sp2)-S Formation

Wang, Hao,Wu, Qi,Zhang, Jian-Dong,Li, Hai-Yan,Li, Hong-Xi

supporting information, p. 2078 - 2083 (2021/04/05)

A photocatalyst- and transition-metal-free visible-light-induced cyclization of ortho-halothiobenzanilides has been developed. Upon irradiation with visible light, substrates undergo dehalogenative cyclization to 2-aryl benzothiazoles with high efficiency and selectivity. This photocyclization exhibits a high tolerance to various functional groups, is applicable for the synthesis of 2-alkyl benzothiazoles, and is easy to set up for gram-scale reaction.

Acetonitrile and benzonitrile as versatile amino sources in copper-catalyzed mild electrochemical C-H amidation reactions

Budnikova, Yulia,Kononov, Alexander,Rizvanov, Ildar,Strekalova, Sofia

, p. 37540 - 37543 (2021/12/07)

A mild, efficient electrochemical approach to the site-selective direct C-H amidation of benzene and its derivatives with acetonitrile and benzonitrile has been developed. It has been shown that joint electrochemical oxidation of various arenes in the presence of a copper salt as a catalyst and nitriles leads to the formation of N-phenylacetamide from benzene and N-benzylacetamides from benzyl derivatives (up to 78% yield). A favorable feature of the process is mild conditions (room temperature, ambient pressure, no strong oxidants) that meet the criteria of green chemistry.

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