Lan, Xiao-Bing; Ye, Zongren; Liu, Jiahao; Huang, Ming; Shao, Youxiang; Cai, Xiang; Liu, Yan; Ke, Zhuofeng published the artcile< Sustainable and Selective Alkylation of Deactivated Secondary Alcohols to Ketones by Non-bifunctional Pincer N-heterocyclic Carbene Manganese>, Electric Literature of 403-41-8, the main research area is ketone preparation green chem; primary secondary alc alkylation heterocyclic carbene manganese catalyst; N-heterocyclic carbene; alkylation; borrowing hydrogen; manganese; pincer.
A sustainable and green route to access diverse functionalized ketones RC(O)CH2CH2R1 (R = Ph, thiophen-2-yl, 4-bromophenyl, etc.; R1 = Ph, naphthalen-2-yl, pyridin-3-yl, etc.) via dehydrogenative-dehydrative cross-coupling of primary R1CH2OH and secondary alcs. RCH(OH)CH3 is demonstrated. This borrowing hydrogen approach employing a pincer N-heterocyclic carbene Mn complex I•Br- (R2 = Me, iPr, Ph) displays high activity and selectivity. A variety of primary and secondary alcs. is well tolerant and results in satisfactory isolated yields. Mechanistic studies suggest that this reaction proceeds via a direct outer-sphere mechanism and the dehydrogenation of the secondary alc. substrates plays a vital role in the rate-limiting step.
ChemSusChem published new progress about Alkylation. 403-41-8 belongs to class alcohols-buliding-blocks, and the molecular formula is C8H9FO, Electric Literature of 403-41-8.
Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts