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80612-97-1

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80612-97-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80612-97-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,1 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80612-97:
(7*8)+(6*0)+(5*6)+(4*1)+(3*2)+(2*9)+(1*7)=121
121 % 10 = 1
So 80612-97-1 is a valid CAS Registry Number.

80612-97-1Downstream Products

80612-97-1Relevant articles and documents

Synthesis and preliminary biological evaluation of new phenolic and catecholic dehydroamino acid derivatives

Monteiro, Luís S.,Oliveira, Sandra,Paiva-Martins, Fátima,Ferreira, Paula M.T.,Pereira, David M.,Andrade, Paula B.,Valent?o, Patrícia

, p. 6199 - 6209 (2017)

A library of N-phenolic and N-catecholic dehydroamino acid derivatives was prepared using an innovative synthetic strategy that involves mild reaction conditions and simple work-up procedures. The method comprises coupling of phenolic or catecholic acids with β-hydroxyamino acids followed by tert-butyloxycarbonylation of all hydroxyl groups using tert-butyldicarbonate and 4-dimethylaminopyridine as catalyst. Treatment of these amino acids with N,N,N′,N′-tetramethylguanidine affords the corresponding O-tert-butyloxycarbonyldehydroamino acid derivative. Deprotection of the aromatic hydroxyl groups is carried out with trifluoroacetic acid. This synthetic strategy can be applied in a one-pot procedure and yields compounds that can be easily inserted into peptides or other biomolecules after cleavage of the C-protecting group. Preliminary studies of cell viability show that these new compounds display very low or no toxicity. These dehydroamino acids with a phenolic or catecholic moiety can have intrinsic biological activity or used to prepare new hydrogels that mimic mussel adhesive proteins.

Cu/Mn Co-oxidized cyclization for the synthesis of highly substituted pyrrole derivatives from amino acid esters: A strategy for the biomimetic syntheses of lycogarubin c and chromopyrrolic acid

Zhou, Nini,Xie, Tao,Liu, Lin,Xie, Zhixiang

, p. 6061 - 6068 (2014/07/21)

An effective and concise approach to synthesis of tetrasubstituted pyrroles from readily available amino acid esters by the promotion of Cu(OAc) 2 in conjunction with Mn(OAc)3 has been developed. This reaction proceeds through multiple dehydrogenations, deamination, and oxidative cyclization. This oxidized system tolerates substrates bearing various electron-donating or electron-withdrawing groups. With this methodology, several key intermediates of natural products have been effectively prepared, and the total syntheses of lycogarubin C and chromopyrrolic acid have been completed in high efficiency.

Dehydrooligopeptides. V. Synthesis of N-carboxy α-dehydroamino acid anhydrides and their transformation of α-dehydroamino acid and dehydrooligopeptide derivatives

Shin,Yonezawa,Yamada

, p. 3934 - 3944 (2007/10/02)

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