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215674-16-1

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215674-16-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215674-16-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,6,7 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 215674-16:
(8*2)+(7*1)+(6*5)+(5*6)+(4*7)+(3*4)+(2*1)+(1*6)=131
131 % 10 = 1
So 215674-16-1 is a valid CAS Registry Number.

215674-16-1Relevant articles and documents

Synthesis, structure and antiproliferative activity of chiral polyamines based on a 2-azanorbornane skeleton

Kamińska, Karolina,Wojaczyńska, El?bieta,Wietrzyk, Joanna,Turlej, Eliza,B?a?ejczyk, Agnieszka,Wieczorek, Robert

, p. 753 - 758 (2016)

A series of enantiopure 2-azanorbornane-based amines were prepared via a stereoselective aza-Diels–Alder reaction and further modifications of the obtained cycloadduct. In particular, derivatives containing two bicyclic moieties linked by [Formula presented] fragments were synthesized. Two dimeric derivatives exhibited a significant antiproliferative activity against selected cell lines, comparable to cisplatin in certain cases.

endo-1-Phenylborneol as a novel, alternative chiral auxiliary for the aza-Diels-Alder reaction

Bassani, Marco,Scarso, Alessandro,Drago, Maria,Zambon, Alfonso,Fabris, Fabrizio

supporting information, (2020/07/10)

We report the synthesis and preliminary evaluation of (1S,2S,4R)-7,7-dimethyl-1-phenylbicyclo[2.2.1]heptan-2-ol 1a, which was obtained in 3 steps from inexpensive starting materials, as a chiral auxiliary. The potential for asymmetric induction was investigated by carrying out aza-Diels-Alder reactions with cyclopentadiene and imine derivatives of 1a from (R)-(+)-1-phenylethylamine, (S)-(?)-1-phenylethylamine and benzylamine. The results showed marked exo selectivity and good diastereoisomeric excess when 1a was combined with (R)-(+)-1-phenylethylamine. These results are comparable with those reported using (?)-8-phenylmenthol, suggesting that 1a can represent an economically viable alternative to current chiral auxiliaries.

An enantiopure diselenide based on a chiral bicyclic backbone—synthesis and configuration assignment

Kamińska, Karolina,Wojaczyńska, El?bieta,Santi, Claudio,Sancineto, Luca,Francesca Pensa, Marianna,Kochel, Andrzej,Wieczorek, Robert,Wojaczyński, Jacek,Slupski, Gauthier

, p. 1367 - 1372 (2017/10/06)

An enantiomerically pure diselenide containing two chiral bicyclic subunits was prepared from the respective halides. The stereochemical outcome of the reaction was established via NMR spectroscopy and X-ray diffraction measurements.

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