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1486-47-1

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1486-47-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1486-47-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,8 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1486-47:
(6*1)+(5*4)+(4*8)+(3*6)+(2*4)+(1*7)=91
91 % 10 = 1
So 1486-47-1 is a valid CAS Registry Number.

1486-47-1Relevant articles and documents

Polytopic carriers for platinum ions: From digalloyl depside to tannic acid

Fogagnolo, Marco,Bergamini, Paola,Marchesi, Elena,Marvelli, Lorenza,Gambari, Roberto,Lampronti, Ilaria

, p. 12227 - 12235 (2020)

A novel dinuclear platinum(ii) complex, namely [Pt2m-GG(Me2SO-S)4] (8, GG = deprotonated methyl digallate), was easily synthesized under solvent-free conditions by grinding a solid m/p digalloyl depside with the Pt precursor [PtCO3(Me2SO-S)2]. Similarly, platinum nuclei were introduced into the galloyl chains of tannic acid (TA). In particular, three complexes A, B and C were prepared by reacting TA as a polytopic ligand with an increasing amount of [PtCO3(Me2SO-S)2]. The antiproliferative activity of complexes 8, A, B and C together with the corresponding ligands GG and TA was tested in vitro and compared with that of cisplatin on two human tumor cell lines, A2780 (ovarian cisplatin-sensitive) and A2780cis (ovarian cisplatin-resistant), and one non-tumoral cell line, HaCat. The experiments focusing on their pro-apoptotic activity indicated that the antiproliferative activity of the most active Pt(II) complexes is associated with the induction of apoptosis. This journal is

Hydrolyzable tannins with the hexahydroxydiphenoyl unit and the m-depsidic link: HPLC-DAD-MS identification and model synthesis

Arapitsas, Panagiotis,Menichetti, Stefano,Vincieri, Franco F.,Romani, Annalisa

, p. 48 - 55 (2007)

This study was designed to develop efficient analytical tools for the difficult HPLC-DAD-MS identification of hydrolyzable tannins in natural tissue extracts. Throughout the study of the spectroscopic characteristics of properly synthesized stereodefined

Gallic esters of sucrose as efficient radical scavengers in lipid peroxidation

Dufour, Claire,Da Silva, Eric,Potier, Pierre,Queneau, Yves,Dangles, Olivier

, p. 3425 - 3430 (2002)

Three tests of increasing complexity were used to assess the antioxidant activity of five synthetic gallic esters of sucrose bearing 3, 6, 7, or 8 galloyl units. In addition, two of these compounds had 1 or 2 hydrocarbon (C10-C12) acyl chains. Reaction with the DPPH radical led to the evaluation of the number of radicals trapped per galloyl unit n (3-4), as well as the apparent second-order rate constant for H atom donation k (1200-1500/M/s). These results indicated similar contribution and reactivity of all the galloyl units. Inhibition of the AAPH-initiated peroxidation of linoleic acid in a micellar medium confirmed the additive contribution of the galloyl units, whereas the presence of the hydrocarbon acyl chains had no influence. These results suggest an inhibition of initiation at high antioxidant levels and an underlying prooxidant effect of the galloyl radicals at low concentrations. Finally, LDL peroxidation was inhibited in proportion to the number of galloyl units, in agreement with the preceding tests.

Total Synthesis of Macaranin B

Aoyama, Akio,Matsumoto, Shintaro,Wakamori, Shinnosuke,Yamada, Hidetoshi

, p. 1937 - 1944 (2021/09/13)

This study describes the total synthesis of macaranin B, a naturally occurring ellagitannin containing 1-O-galloyl and 3,6-O-macaranoyl groups in an axial-rich d-glucose. The key steps of the synthesis include an oxidative coupling reaction of galloyl gro

Synthesis and biological evaluation of novel gallic acid analogues as potential antimicrobial and antioxidant agents

Sherin, Lubna,Shujaat, Shahida,Sohail, Ayesha,Arif, Fatima

, p. 551 - 565 (2019/04/17)

A series of fifteen novel gallic acid esters (7a-o) was synthesized and structure was confirmed by spectral data. Antibiotic power of compounds was assessed against a panel of ten microbes while antioxidant activity was gauged by employing DPPH, ABTS and antilipid peroxidation assays. It was found that in comparison to lead, many of the synthesized derivatives implied much improved broad spectrum antimicrobial effect. Most effective compound found was 7c specifically against resistant gram-negative strains such as P.aeruginosa, E.coli and E.aerogenes. Potent antioxidant capacity was exhibited by7a and 7d in electron transfer assays while 7j and 7c provided maximum shielding against lipid peroxidation. Structure-activity analysis revealed that analogues with electron -withdrawing substituent particularly chloro group stand out as much better antibiotic agent. This study suggests that halogenated gallic acid analogues might be promising pharmacological candidates in view of further drug development.

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