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28627-52-3

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28627-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28627-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,6,2 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28627-52:
(7*2)+(6*8)+(5*6)+(4*2)+(3*7)+(2*5)+(1*2)=133
133 % 10 = 3
So 28627-52-3 is a valid CAS Registry Number.

28627-52-3Relevant articles and documents

Debromination of endo-(+)-3-bromocamphor with primary amines

Markovic?, Svetlana,Markovic?, Violeta,Joksovic?, Milan D.,Todorovic?, Nina,Joksovic?, Ljubinka,Divjakovic?, Vladimir,Trifunovic?, Snez?ana

, p. 1099 - 1108 (2013/08/23)

Reductive debromination of endo-(+)-3-bromocamphor with different primary amines followed by imine formation was investigated. This reaction requires simple experimental procedure without any organic solvent, metal or conventional reducing agent. A strong influence of amine polarity on the efficacy of debromination process was observed, and ethanolamine and ethylene diamine having sufficiently high boiling points can debrominate 3-bromocamphor giving corresponding camphanimines in good isolated yields. The mechanisms of debromination of 3-bromocamphor with ethanolamine and n-hexylamine were investigated at the B3LYP/6-311+G(d,p) level of theory. The radical mechanism was revealed, and it was shown that the reaction with more polar ethanolamine is energetically more favorable.

Nickel complex catalyzed reduction of imines

Vetter,Berkessel

, p. 419 - 422 (2007/10/02)

The 1:1 complexes formed in situ from nickel(II) acetate and the thiosemicarbazones of ortho-hydroxy aromatic aldehydes catalyze the hydrosilylation of imines. A variety of imines were reduced in good to excellent yields employing two equivalents of a silane such as triethylsilane and 5 mol% of the catalysts.

Amines as Dehalogenating Agents. IV. Hydrocarbons, N-Bornyl- and N-Isobornylaniline Formation in the Reaction between 3-Bromocamphor and N-Methylaniline

Giumanini, Angelo G.,Musiani, Marco M.

, p. 423 - 428 (2007/10/02)

N-Methylanilin (4) reagiert bei 200 deg C im Vergleich zu N,N-Dimethylanilin entweder mit 3-Bromcamphor (2) oder Camphor (3) zu den Kohlenwasserstoffen, Camphen 5 und Tricyclen 6 und N-Bornylanilin (exo-endo-Isomers 7).Bei der Reaktion mit 3 ist Saeurekatalyse notwenig.Untersuchungen zum Mechanismus erlauben es, anzunehmen, dass Camphoranil 8 ein gemeinsames Zwischenprodukt fuer alle Produkte und 4 der H-Donator in den Reduktionsstufen ist, auf der Grundlage von kinetischen und stereochemischen Beweisen und unabhaengigen chemischen Experimenten.

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