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69559-40-6

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69559-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69559-40-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,5,5 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69559-40:
(7*6)+(6*9)+(5*5)+(4*5)+(3*9)+(2*4)+(1*0)=176
176 % 10 = 6
So 69559-40-6 is a valid CAS Registry Number.

69559-40-6Relevant articles and documents

Asymmetric Synthesis of Hydroquinazolines Bearing C4-Tetrasubstituted Stereocenters via Kinetic Resolution of α-Tertiary Amines

Jiang, Qianwen,Qin, Tianren,Yang, Xiaoyu

supporting information, p. 625 - 630 (2022/01/20)

A novel protocol for asymmetric synthesis of hydroquinazolines bearing C4-tetrasubstituted stereocenters has been achieved through kinetic resolution of 2-amido α-tertiary benzylamines via chiral phosphoric acid catalyzed intramolecular dehydrative cyclizations. This method gave access to both α-tertiary benzylamines and hydroquinazolines with broad scope and high enantioselectivities. An intriguing restricted rotation of the C-N bond was observed for hydroquinazoline products bearing C4-tetrasubstituted stereocenters.

Synthesis and SAR of novel di- and trisubstituted 1,4-dihydroquinoxaline-2,3-diones related to licostinel (Acea 1021) as NMDA/glycine site antagonists

Zhou, Zhang-Lin,Kher, Sunil M.,Cai, Sui Xiong,Whittemore, Edward R.,Espitia, Stephen A.,Hawkinson, Jon E.,Tran, Minhtam,Woodward, Richard M.,Weber, Eckard,Keana, John F. W.

, p. 1769 - 1780 (2007/10/03)

A series of novel di- and trisubstituted 1,4-dihydroquinoxaline-2,3-diones (QXs) related to licostinel (Acea 1021) was synthesized and evaluated as antagonists for the glycine site of the N-methyl-D-asparate (NMDA) receptor. The in vitro potency of these

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