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54840-09-4

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54840-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54840-09-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,4 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54840-09:
(7*5)+(6*4)+(5*8)+(4*4)+(3*0)+(2*0)+(1*9)=124
124 % 10 = 4
So 54840-09-4 is a valid CAS Registry Number.

54840-09-4Relevant articles and documents

SSAO INHIBITORS AND USES THEREOF

-

Paragraph 00501, (2020/01/08)

Described herein are compounds that are semicarbazide-sensitive amine oxidase (SSAO) inhibitors, methods of making such compounds, pharmaceutical compositions and medicaments comprising such compounds, and methods of using such compounds in treating or preventing a liver disease or condition.

Synthesis of methyl p-alkoxyphenylcarbamates and some their reactions

Velikorodov,Bakova,Mochalin

, p. 66 - 69 (2007/10/03)

Alkylation of methyl p-hydroxyphenylcarbamate with allyl bromide and 1,4-dibromobutane leads to formation of the corresponding methyl p-alkoxyphenylcarbamates. Reactions of methyl p-allyloxyphenyl-carbamate with benzaldehyde, p-methoxybenzaldehyde, p-nitr

Synthesis of functionalized carbamates through a palladium-catalyzed reductive carbonylation of substituted nitrobenzenes

Wchman, Petra,Borst, Leo,Kamer, Paul C. J.,Van Leeuwen, Piet W. N. M.

, p. 13 - 21 (2007/10/03)

The palladium-catalyzed reductive carbonylation of ortho and para-substituted nitrobenzenes has proven to be an attractive route for the synthesis of functionalized carbamates. For the Pd(1,10-phenanthroline)2(triilate}2 catalyst system, the scope of the reaction has been studied. Substrates with electron-donating substituents at the para position were found to decrease the catalytic activity, most probably as a result of their relatively low oxidizing capacity. The selectivity towards the desired carbamate, however, was increased for these substrates. Under the influence of electron-withdrawing substituents the azoxybenzene and azobenzene derivatives became important side products. Introduction of large steric hindrance at the ortho position of the nitro substrates gave rise to an interesting side reaction, viz. methoxylation of the aromatic ring. The methoxylation reaction appeared to occur on an intermediate species in the catalytic cycle. Several functionalities have shown to be resistant to the reaction conditions required for the conversion of the nitro group. Especially with 4-nitrobenzoic acid, an extremely high activity and selectivity was found, thus yielding a very convenient synthesis for N-protected amines containing carboxylic acid functions. VCH Verlagsgesellschaft mbH.

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