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Applications of Purine Ring Opening in the Synthesis of Imidazole, Pyrimidine, and New Purine Derivatives - Leškovskis - 2021 - European Journal of Organic Chemistry - Wiley Online Library
![When the imidazole ring of Histidine is protonated, the tendency of nitrogen to be protonated (proton migrates from-COOH) is in the order?\n \n \n \n \n A. $\\beta \\gamma \\alpha $B. $\\gamma \\ When the imidazole ring of Histidine is protonated, the tendency of nitrogen to be protonated (proton migrates from-COOH) is in the order?\n \n \n \n \n A. $\\beta \\gamma \\alpha $B. $\\gamma \\](https://www.vedantu.com/question-sets/4739a586-525a-4fdb-90bc-a49a519e04b54355800286204010006.png)
When the imidazole ring of Histidine is protonated, the tendency of nitrogen to be protonated (proton migrates from-COOH) is in the order?\n \n \n \n \n A. $\\beta \\gamma \\alpha $B. $\\gamma \\
![Imidazole ring formation and tertiary amine cleavage upon base-mediated nucleophilic substitution in 1,1,3-trichloro-1H-isoindole with α-(N-alkylamino) ketones | SpringerLink Imidazole ring formation and tertiary amine cleavage upon base-mediated nucleophilic substitution in 1,1,3-trichloro-1H-isoindole with α-(N-alkylamino) ketones | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs10593-022-03136-0/MediaObjects/10593_2022_3136_Figa_HTML.png)
Imidazole ring formation and tertiary amine cleavage upon base-mediated nucleophilic substitution in 1,1,3-trichloro-1H-isoindole with α-(N-alkylamino) ketones | SpringerLink
![Purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring. Purine gives its name to the wider c Stock Photo - Alamy Purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring. Purine gives its name to the wider c Stock Photo - Alamy](https://c8.alamy.com/comp/2BGMYH6/purine-is-a-heterocyclic-aromatic-organic-compound-that-consists-of-a-pyrimidine-ring-fused-to-an-imidazole-ring-purine-gives-its-name-to-the-wider-c-2BGMYH6.jpg)
Purine is a heterocyclic aromatic organic compound that consists of a pyrimidine ring fused to an imidazole ring. Purine gives its name to the wider c Stock Photo - Alamy
New protocols to access imidazoles and their ring fused analogues: synthesis from N-propargylamines - RSC Advances (RSC Publishing)
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Biosensors | Free Full-Text | One-Pot Preparation of Imidazole-Ring-Modified Graphitic Carbon Nitride Nanozymes for Colorimetric Glucose Detection
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