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27398-50-1

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27398-50-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27398-50-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,3,9 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 27398-50:
(7*2)+(6*7)+(5*3)+(4*9)+(3*8)+(2*5)+(1*0)=141
141 % 10 = 1
So 27398-50-1 is a valid CAS Registry Number.

27398-50-1Relevant articles and documents

Linear-Organic-Polymer-Supported Iridium Complex as a Recyclable Auto-Tandem Catalyst for the Synthesis of Quinazolinones via Selective Hydration/Acceptorless Dehydrogenative Coupling from o-Aminobenzonitriles

Hao, Shushu,Yang, Jiazhi,Liu, Peng,Xu, Jing,Yang, Chenchen,Li, Feng

supporting information, p. 2553 - 2558 (2021/04/13)

A linear-organic-polymer-supported iridium complex Cp*Ir@P4VP, which is designed and synthesized by the coordinative immobilization of [Cp*IrCl2]2 on poly(4-vinylpyridine), was proven to be an efficient heterogeneous autotandem catalyst for synthesizing quinazolinones via selective hydration/acceptorless dehydrogenative coupling from o-aminobenzonitriles. Furthermore, the synthesized catalyst was recycled five times without an obvious decrease in the catalytic activity.

Preparation method of quinazolinone derivative

-

Paragraph 0091-0094, (2021/04/14)

The invention discloses a preparation method of a quinazolinone derivative, wherein the preparation method comprises the following steps: dissolving an anthranilonitrile compound represented by a formula I and an aldehyde represented by a formula II in a

Electrochemical synthesis of quinazolinone: via I2-catalyzed tandem oxidation in aqueous solution

Hou, Huiqing,Ma, Xinhua,Lin, Yingying,Lin, Jin,Sun, Weiming,Wang, Lei,Xu, Xiuzhi,Ke, Fang

, p. 17721 - 17726 (2021/05/29)

The development of protocols for synthesizing quinazolinones using biocompatible catalysts in aqueous medium will help to resolve the difficulties of using green and sustainable chemistry for their synthesis. Herein, using I2 in coordination with electrochemical synthesis induced a C-H oxidation reaction which is reported when using water as the environmentally friendly solvent to access a broad range of quinazolinones at room temperature. The reaction mechanism strongly showed that I2 cooperates electrochemically promoted the oxidation of alcohols, then effectively cyclizing amides to various quinazolinones.

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