Dai, Peng-Fei; Ning, Xiao-Shan; Wang, Hua; Cui, Xian-Chao; Liu, Jie; Qu, Jian-Ping; Kang, Yan-Biao published the artcile< Cleavage of C(aryl)-CH3 Bonds in the Absence of Directing Groups under Transition Metal Free Conditions>, Safety of (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is carbon carbon bond cleavage borylation metal free condition diboron; tolyl bond cleavage borylation metal free condition; boranes aryl preparation reactivity; borylation; cross-coupling; oxidation; radicals; reaction mechanisms.
Organic chemists now can construct C-C σ-bonds selectively and sequentially, whereas methods for the selective cleavage of C-C σ-bonds, especially for unreactive hydrocarbons, remain limited. Activation by ring strain, directing groups, or in the presence of a carbonyl or a cyano group is usually required. By using a sequential strategy site-selective cleavage and borylation of C(aryl)-CH3 bonds was developed under directing group free and transition metal free conditions. Me groups of various arenes are selectively cleaved and replaced by boryl groups. Mechanistic anal. suggests that it proceeds by a sequential intermol. oxidation and coupling of a transient aryl radical, generated by radical decarboxylation, involving a pyridine-stabilized persistent boryl radical.
Angewandte Chemie, International Edition published new progress about Aromatic hydrocarbons Role: RCT (Reactant), RACT (Reactant or Reagent). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Safety of (9Z,12Z)-Methyl octadeca-9,12-dienoate.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics