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52568-28-2

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52568-28-2 Usage

Uses

The Shi Auxiliary is a powerful directing group for the hydroxylation of arenes through copper-mediated C-H activation. This useful auxiliary can be removed through acid-mediated hydrolysis and has shown to be done on gram-scale.

General Description

2-(Pyridin-2-yl)isopropyl amine (PIP-amine) is a tertiary amine. A bidentate directing group, useful for the functionalization of C-H bond, has been developed from PIP-amine.

Check Digit Verification of cas no

The CAS Registry Mumber 52568-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,5,6 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 52568-28:
(7*5)+(6*2)+(5*5)+(4*6)+(3*8)+(2*2)+(1*8)=132
132 % 10 = 2
So 52568-28-2 is a valid CAS Registry Number.

52568-28-2Relevant articles and documents

Stereoselective Synthesis of Chiral β-Fluoro α-Amino Acids via Pd(II)-Catalyzed Fluorination of Unactivated Methylene C(sp3)-H Bonds: Scope and Mechanistic Studies

Zhang, Qi,Yin, Xue-Song,Chen, Kai,Zhang, Shuo-Qing,Shi, Bing-Feng

, p. 8219 - 8226 (2015)

The synthesis of fluorinated complex molecules via direct C(sp3)-H fluorination is attractive yet remains challenging. Here we describe the Pd(II)-catalyzed fluorination of unactivated methylene C(sp3)-H bonds by an inner-sphere mech

Copper-Mediated Thiolation of Unactivated Heteroaryl C?H Bonds with Disulfides under Ligand- and Metal-Oxidant-Free Conditions

Li, Ya,Liu, Yue-Jin,Shi, Bing-Feng

, p. 4117 - 4121 (2017)

Various sulfenylated heteroarenes were synthesized by a copper-mediated C?H thiolation, which was assisted by a 2-(pyridin-2-yl)isopropylamine (PIP-amine) directing group. The reaction features a broad substrate scope, good functional group tolerance, ligand- and metal-oxidant-free conditions, exceptional compatibility with aliphatic disulfides, and excellent yields, providing a highly efficient approach to the biologically important sulfenylated heteroarenes. (Figure presented.).

HETEROCYCLIC COMPOUNDS AS ADENOSINE ANTAGONISTS

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Paragraph 0405-0406, (2020/08/05)

Aminopyrazine compounds as modulators of an adenosine receptor are provided. The compounds may find use as therapeutic agents for the treatment of diseases mediated through a G-protein-coupled receptor signaling pathway and may find particular use in onco

Palladium-Catalyzed Electrochemical C-H Bromination Using NH4Br as the Brominating Reagent

Yang, Qi-Liang,Wang, Xiang-Yang,Wang, Tong-Lin,Yang, Xiang,Liu, Dong,Tong, Xiaofeng,Wu, Xin-Yan,Mei, Tian-Sheng

supporting information, p. 2645 - 2649 (2019/04/17)

The palladium-catalyzed electrochemical C-H bromination of benzamide derivatives under divided cells is developed, in which NH4Br serves as a brominating reagent and electrolyte. The protocol avoids the use of chemical oxidants and provides an alternative method for the synthesis of aryl bromides.

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