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63953-37-7

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63953-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63953-37-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,5 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 63953-37:
(7*6)+(6*3)+(5*9)+(4*5)+(3*3)+(2*3)+(1*7)=147
147 % 10 = 7
So 63953-37-7 is a valid CAS Registry Number.

63953-37-7Downstream Products

63953-37-7Relevant articles and documents

Single-electron Transfer-initiated Thermal Reactions of Arylmethyl Halides, IX. The Reaction of 2-Bromo-N,N-dimethyl-2,2-diphenylacetamide with Triethylamine in Benzene

Simig, Gyula,Toth, Gabor

, p. 1273 - 1277 (2007/10/02)

Das Halogenamid 1a liefert mit Triethylamin in siedendem Benzol 41-48percent des Dimeren 3 als Hauptprodukt.Andererseits fuehrt die Thermolyse von 1f in Benzol in Gegenwart von Triethylamin zu 1c und 8a.Die Bildung von 3 erfolgt ueber die Radikale 4, die ihrerseits das Produkt einer Ein-Elektronen-Uebergangs-Reaktion mit Triethylamin als Elektron-Donor sind.Der Uebergang der Radikale 4 in das Dimere 3 verlaeuft entsprechend der Reaktionsfolge (2)+(4)+(5) (carbanionischer Mechanismus der Dimeren-Bildung).

Single-electron Transfer-initiated Thermal Reactions of Arylmethyl Halides. Part 8. The Reaction of 2-Halogeno-NN-dimethyl-2,2-diphenylacetamides with Sodium Methoxide in 2,2-Dimethoxypropane. The Effects of Added Acetone, Temperature Elevation, and of the Nature of the Halogen. Refin...

Lempert, Karoly,Simig, Gyula,Tamas, Jozsef,Toth, Gabor

, p. 1927 - 1936 (2007/10/02)

In addition to the previously isolated products (1c) and (2a), trimeric (2b) and oligomeric products (2c) were shown to result from the title reaction.The reactions leading to all these products are initiated by single-electron transfer (SET) to the halogenoacetamides (1a and b).The operation of chain processes is established (Scheme 4).Acetone enolate is shown to be a more effective single-electron donor towards compound (1a) than methoxide.In the absence of acetone enolate SN reactions with methoxide compete with SET-initiated reactions of compound (1a) at room temperature.Temperature elevation favours SET over SN reactions.The mechanism of trimer (2b) and oligomer (2c) formation is discussed and, in addition to the radical recombination mechanism, the carbanionic mechanism of dimer (2a) formation is established.The chloro derivative (1b) is shown to be less reactive in the title reaction than the bromo analogue (1a).

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