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155052-31-6

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155052-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155052-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,0,5 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 155052-31:
(8*1)+(7*5)+(6*5)+(5*0)+(4*5)+(3*2)+(2*3)+(1*1)=106
106 % 10 = 6
So 155052-31-6 is a valid CAS Registry Number.

155052-31-6Relevant articles and documents

Synthesis, characterization and crystal structures of ruthenium complexes with bidentate chiral salicylaldiminato ligands

Tang, Li-Hua,Chen, Xin,Jia, Ai-Quan,Xin, Zhi-Feng,Zhang, Qian-Feng

, p. 120 - 127 (2018/05/09)

Condensations of salicylaldehyde and 4-chlorosalicylaldehyde with (R)-α-methylbenzylamine in refluxing ethanol afforded the chiral Schiff base ligands (R)-N-(1-phenylethyl)salicylidene (HL1?) and (R)-N-(1-phenylethyl)(4-chlorosalicylidene) (HL2?), respectively. Similarly, reaction of 3,5-di-tert-butylsalicylaldehyde and (S)-2-amino-3-methylbutan-1-ol gave the chiral Schiff base ligand (S)-N-(1-hydroxymethylisobutyl)(3,5-di-tert-butylsalicylidene) (HL3?). Treatment of (Et4N)[RuCl4(MeCN)2] and [RuCl3(NO)(PPh3)2] with HL1? in the presence of triethylamine afforded an anionic ruthenium(III) complex (R,R)-(Et4N)[Ru(κ2-N,O-L1?)2Cl2] (1) and a neutral ruthenium(II) nitrosyl complex (R)-[Ru(κ2-N,O-L1?)(NO)Cl2(PPh3)] (2), respectively. Interaction of [RuCl2(PPh3)3] and 2 equiv. HL2? led to isolation of a ruthenium(III) complex (R,R)-[Ru(κ2-N,O-L2?)2Cl(PPh3)] (3). Reaction of [Ru(NO)Cl3·xH2O] and HL3? gave an anionic ruthenium(II) nitrosyl complex (S)-(Et3NH)[Ru(κ2-N,O-L3?)(NO)Cl3] (4). The molecular structures of ligands HL1? HL2? and ruthenium complexes 1–4 have been determined by single-crystal X-ray crystallography.

Enantioselective acylphosphonylation-dual lewis acid-lewis base activation of aldehyde and acylphosphonate

Wen, Ye-Qian,Hertzberg, Robin,Moberg, Christina

, p. 6172 - 6178 (2014/07/21)

Acetoxyphosphonates were obtained by a one-step procedure consisting of reaction of diethyl acetylphosphonate with prochiral aldehydes in the presence of a catalytic system comprising a chiral Lewis acid, an achiral Lewis base, and a Br?nstedt base. Best

Enantioselective vanadium-catalyzed oxidation of 1,3-dithianes from aldehydes and ketones using β-amino alcohol derived schiff base ligands

Wu, Yinuo,Mao, Fei,Meng, Fanchao,Li, Xingshu

supporting information; experimental part, p. 1707 - 1712 (2011/10/01)

The asymmetric vanadium-catalyzed oxidation of 1,3-dithianes from aldehydes and ketones by β-amino alcohol-derived Schiff base ligands with two stereogenic centers was investigated. Using aqueous hydrogen peroxide as the oxidant and the Schiff base 3b as

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