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80224-89-1

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80224-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80224-89-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,2 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80224-89:
(7*8)+(6*0)+(5*2)+(4*2)+(3*4)+(2*8)+(1*9)=111
111 % 10 = 1
So 80224-89-1 is a valid CAS Registry Number.

80224-89-1Downstream Products

80224-89-1Relevant articles and documents

Divergent Conversion of N-Acyl-isoxazol-5(2 H)-ones to Oxazoles and 1,3-Oxazin-6-ones Using Photoredox Catalysis

Mei, Mingjing,Anand, Devireddy,Zhou, Lei

supporting information, p. 3548 - 3553 (2019/05/24)

The fragmentation of N-acyl-isoxazol-5-ones using visible light photoredox catalysis has been disclosed. The catalyst-controlled divergent mechanisms, namely the oxidative and reductive quenching catalytic cycle, are utilized. Various oxazoles and 1,3-oxazin-6-ones are selectively obtained from the same isoxazol-5-one skeleton under mild conditions.

Synthesis of 2,5-disubstituted oxazoles: Via cobalt(III)-catalyzed cross-coupling of N -pivaloyloxyamides and alkynes

Yu, Xiaolong,Chen, Kehao,Wang, Qi,Zhang, Wenjing,Zhu, Jin

supporting information, p. 1197 - 1200 (2018/02/09)

An efficient synthesis of 2,5-disubstituted oxazoles via Co(iii) catalysis is described herein. The synthesis is achieved under mild conditions through [3+2] cycloaddition of N-pivaloyloxyamides and alkynes. The reaction operates through an internal oxidation pathway and features a very broad substrate scope. The one-step synthesis of natural products such as texamine and balsoxin has been demonstrated via this protocol.

Metal-Free sp3 C-H Functionalization: PABS/I2-Promoted Synthesis of Polysubstituted Oxazole Derivatives from Arylethanones and 2-Amino-2-alkyl/arylacetic Acid

Hu, Ting,Yan, Hao,Liu, Xingxing,Wu, Chaoyang,Fan, Yuxing,Huang, Jing,Huang, Guosheng

supporting information, p. 2866 - 2869 (2015/12/18)

A nonmetal-catalyzed process for the synthesis of polysubstituted oxazoles from inexpensive and readily available α-amino acids and methyl ketones is established. This reaction is proposed to achieve oxidative cleavage of C(sp3)-H bonds, followed by decarboxylation and annulation. The mild reaction conditions employed in both cases enable the tolerance of a wide range of functional groups as well as high reaction efficiency.

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