Synthesis of 2-benzyl benzoxazoles and benzothiazoles <i>via</i> elemental sulfur promoted cyclization of styrenes with 2-nitrophenols and <i>N</i>,<i>N</i>-dialkyl-3-nitroanilines
作者:Truong K. Chau、Nguyen T. Ho、Tuan H. Ho、Anh T. Nguyen、Khoa D. Nguyen、Nam T. S. Phan、Ha V. Le、Tung T. Nguyen
DOI:10.1039/d3ob01775c
日期:——
Annulation of 2-nitrophenols and N,N-dialkyl-3-nitroanilines with styrenes in the presence of elemental sulfur and the base DABCO successfully yielded 2-benzyl benzoxazoles and 2-benzyl benzothiazoles, respectively.
Base‐Catalyzed Synthesis of <i>N</i>‐Aryl Thioacetamides from Multicomponent Reaction of Phenylacetylenes, Sulfur and Anilines
作者:Minh Hang Nguyen、Hai Sam Nguyen、Le Anh Nguyen、Bich Ngoc Nguyen、Hai Thuong Cao、Dinh Hung Mac、Thanh Binh Nguyen
DOI:10.1002/ejoc.202301319
日期:2024.3.11
“Rien ne se perd, rien ne se crée”: N-aryl arylthioacetamides could be formed via base-catalyzed three-component reaction of anilines, phenylacetylenes and elemental sulfur with complete atom efficiency.
“Rien ne se perd, rien ne se crée”:N-芳基芳基硫代乙酰胺可以通过苯胺、苯乙炔和元素硫的碱催化三组分反应以完全原子效率形成。
Synthesis of 2-(Arylmethyl)benzazoles by the Sulfur-mediated Cyclization of 2-Aminophenol or 2-Aminoaniline with Arylacetylenes