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One of the most often utilized hydroperoxides in an array of oxidation strategies is tert‐butyl hydroperoxide (tBuOOH, TBHP). The key reasons for rising utility of TBHP are its low cost, environmental friendliness, high efficiency, and ability to replace hazardous or rare heavy metal oxidants. In this sexennial update, we concisely and critically discussed the applications of TBHP in heterocyclic ring formations starting from 2018 to date. Merits and demerits of its utility, scope of a synthetic organic transformation along with mechanistic logistics are the key features of this review. [ABSTRACT FROM AUTHOR]

Diacetoxyiodobenzene (PhI(OAc)2), commonly referred to as DAIB or phenyliodine(III) diacetate (PIDA), is one of the most frequently used hypervalent iodines employed as an oxidizing agent in organic chemistry. In this review, PIDA is highlighted exclusively in relation to its applications in organic synthesis involving heterocyclic ring formations and is critically and in‐depth examined from the summer of 2015 to the present with a specific focus on the mechanistic pathway. [ABSTRACT FROM AUTHOR]

Although the first synthesis of benzotriazole was performed in the 19th century still new methods for their preparation have developed. In this micro review authors focus mostly on the various synthetic strategies developed so far to synthesize benzotriazole and its derivatives by different strategies, such as metal‐free, metal‐assisted [3 + 2] cycloaddition reactions, cyclocondensations, flow methods, heterocyclizations, and so forth. This micro review combines recent (2005–2022 till date) information on the strategies used for the synthesis of benzotriazoles. Moreover, a brief overview of the bio applications of the benzotriazole scaffold along with pharmacological activity is also discussed. [ABSTRACT FROM AUTHOR]