These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.1. Introduction
In 1972, Nicholas et al. reported (Nicholas et al., 1972, p. C21) an important organometallic reagent involving cobalt which is useful in derivatization of alkynes having alcohol or ether. In past several reviews were written on this name reaction showing its importance in organic chemistry (Nicholas, 1987, p. 207; Teobald, 2002, p. 4133; Green, 2001, p. 809). This reaction also explored for the synthesis of bioactive compounds (Diaz, Betancort, & Martin, 2007, p 343).
The reaction involves Lewis acid catalyzed attack of nucleophile at the dicobalt octacarbonyl-stabilized propargylic cation and later on through oxidative demetallation, it...
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