83318-25-6Relevant articles and documents
Manganese catalyzed C-alkylation of methylN-heteroarenes with primary alcohols
Jana, Akash,Kumar, Amol,Maji, Biplab
supporting information, p. 3026 - 3029 (2021/03/29)
C-Alkylations of nine different classes of methyl-substitutedN-heteroarenes, including quinolines, quinoxalines, benzimidazoles, benzoxazoles, pyrazines, pyrimidines, pyridazines, pyridines, and triazines are disclosed. A bench stable earth-abundant Mn(i)-complex catalyzed the chemoselective hydrogen-transfer reaction utilizing a diverse range of primary alcohols as the non-fossil fuel-derived carbon source. The diversifiedN-heteroarenes (41 examples) were isolated in high yields and selectivities. Water is produced as the sole byproduct, making the protocol environmentally benign.
Transition-Metal-Free Alkylation/Arylation of Benzoxazole via Tf2O-Activated-Amide
Niu, Zhi-Jie,Li, Lian-Hua,Liu, Xue-Yuan,Liang, Yong-Min
, p. 5217 - 5222 (2019/11/13)
A transition-metal-free approach to the alkylation/arylation of benzoxazole was developed by employing Tf2O-activated-amide as the alkylating/arylating reagent. The mild reaction conditions, and particularly insensitivity to air and water, further enhance the synthetic potential in pharmaceutical synthesis. (Figure presented.).
Elemental Sulfur-Promoted Oxidative Rearranging Coupling between o-Aminophenols and Ketones: A Synthesis of 2-Alkyl benzoxazoles under Mild Conditions
Nguyen, Thanh Binh,Retailleau, Pascal
supporting information, p. 3887 - 3890 (2017/07/26)
In the presence of N-methylpiperidine, elemental sulfur was found to act as excellent oxidant in promoting oxidative rearranging coupling between o-aminophenols and ketones. A wide range of 2-alkylbenzoxazoles was obtained under mild conditions.