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51651-81-1

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51651-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51651-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,5 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51651-81:
(7*5)+(6*1)+(5*6)+(4*5)+(3*1)+(2*8)+(1*1)=111
111 % 10 = 1
So 51651-81-1 is a valid CAS Registry Number.

51651-81-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name N-(benzylideneamino)-4-methoxybenzamide

1.2 Other means of identification

Product number -
Other names N'-benzylidene-4-methoxybenzohydrazide

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:51651-81-1 SDS

51651-81-1Relevant articles and documents

Combining the petasis 3-component reaction with multiple modes of cyclization: A build/couple/pair strategy for the synthesis of densely functionalized small molecules

Flagstad, Thomas,Hansen, Mette R.,Le Quement, Sebastian T.,Givskov, Michael,Nielsen, Thomas E.

, p. 19 - 23 (2015)

A build/couple/pair strategy for the synthesis of complex and densely functionalized small molecules is presented. The strategy relies on synthetically tractable building blocks (build), that is, diversely substituted hydrazides, α-hydroxy aldehydes, and boronic acids, which undergo Petasis 3-component reactions (couple) to afford densely functionalized anti-hydrazido alcohols. The resulting scaffolds can subsequently be converted via chemoselective cyclization reactions (pair), including intramolecular Diels-Alder or Ru-alkylidene catalyzed ring-closing metathesis, into sets of structurally diverse heterocycles in good yields in only 3-4 steps.

Analogs of nitrofuran antibiotics are potent GroEL/ES inhibitor pro-drugs

Chapman, Eli,Chitre, Siddhi,Hoang, Quyen Q.,Howe, Chris,Johnson, Steven M.,Park, Yangshin,Ray, Anne-Marie,Sivinski, Jared,Stevens, Mckayla,Washburn, Alex

, (2020/09/15)

In two previous studies, we identified compound 1 as a moderate GroEL/ES inhibitor with weak to moderate antibacterial activity against Gram-positive and Gram-negative bacteria including Bacillus subtilis, methicillin-resistant Staphylococcus aureus, Kleb

Experimental and Theoretical Studies on the Mechanism of DDQ-Mediated Oxidative Cyclization of N-Aroylhydrazones

Baek, Jihye,Je, Eun-Kyung,Kim, Jina,Qi, Ai,Ahn, Kwang-Hyun,Kim, Yongho

, p. 9727 - 9736 (2020/10/02)

The controversial single-electron-transfer process, frequently proposed in many 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ)-mediated reactions, was investigated experimentally and theoretically using the oxidative cyclization of aroylhydrazone with DDQ. DDQ-mediated oxadiazole formation involves several processes, including cyclization to form an oxadiazole ring and N-H bond cleavage, either by proton, hydride, or hydrogen atom transfer. The detailed mechanistic study using the M06-2X density functional theory, and the 6-31+G(d,p) basis set, suggests that the pathways involving radical ion pair (RIP) intermediates, which resulted from single-electron transfer (SET), were found to be energetically nearly identical to the pathway without the SET. The substituent-dependent reactivity of oxadiazole formation was consistent with the free energy profiles of both pathways, with or without the SET. This result indicates that in addition to the electron-transfer pathway, the nucleophilic addition/elimination pathway for DDQ should be considered as a possible mechanism of the oxidative transformation reaction using DDQ.

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