2020
DOI: 10.1080/00397911.2020.1792499
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A review: Recent progress on the synthetic routes to 1(5)-substituted 1H-Tetrazoles and its analogs

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Cited by 10 publications
(4 citation statements)
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“…Figures 3-5 illustrate the main synthesis pathways for tetrazoles. There are several processes to produce tetrazoles, the majority of which use azides as either starting materials or reaction intermediates [16]. Various techniques are focusing on the production of new ways of obtaining this heterocycle, and even electrochemical approaches [17], where azides react with hydrazones to produce tetrazoles have been applied.…”
Section: Synthesis Of Tetrazolementioning
confidence: 99%
“…Figures 3-5 illustrate the main synthesis pathways for tetrazoles. There are several processes to produce tetrazoles, the majority of which use azides as either starting materials or reaction intermediates [16]. Various techniques are focusing on the production of new ways of obtaining this heterocycle, and even electrochemical approaches [17], where azides react with hydrazones to produce tetrazoles have been applied.…”
Section: Synthesis Of Tetrazolementioning
confidence: 99%
“…The progress of reaction was monitored by TLC. After completion of the reaction.The mixture was poured into crushed ice and the solid was filtered, washed with water and recrystallized by ethanol [22]. Some of the physical properties are summarized in table 1.…”
Section: A Synthesis and Characterization Of 1-(4-(1h-1234tetrazole-1...mentioning
confidence: 99%
“…With growing interest toward the development of novel tetrazole derivatives, several synthetic methods have evolved. In particular, the [3+2] cycloaddition of azide with organic nitrile has been the most proficient route to 5-substituted 1H-tetrazoles. To minimize the high activation barrier associated with the cycloaddition reactions, several homogeneous and heterogeneous catalysts and additives have been used. Many of those involve the use of expensive and toxic metals, strong Lewis acids, and mediated via highly explosive and toxic hydrazoic acid. , Although transition metal salts have been widely used to catalyze the synthesis of 5-substituted 1H-tetrazoles via dipolar cycloaddition, use of metal complex catalysts is relatively limited .…”
Section: Introductionmentioning
confidence: 99%