Palladium-Catalyzed Generation of ortho-Quinone Methides. A Three-Component Synthesis of L-Shaped Dimeric Steroidal Scaffolds

2021 ◽  
Vol 86 (5) ◽  
pp. 4112-4120
Author(s):  
Martha C. Mayorquín-Torres ◽  
Armando Navarro-Huerta ◽  
Mauricio Maldonado-Domínguez ◽  
Marcos Flores-Álamo ◽  
Braulio Rodríguez-Molina ◽  
...  
2017 ◽  
Vol 359 (6) ◽  
pp. 1028-1036 ◽  
Author(s):  
Ruijing Zhuge ◽  
Liang Wu ◽  
Mao Quan ◽  
Nicholas Butt ◽  
Guoqiang Yang ◽  
...  

2020 ◽  
Vol 22 (11) ◽  
pp. 4171-4175 ◽  
Author(s):  
Zhi-Long Jia ◽  
Xian-Tao An ◽  
Yu-Hua Deng ◽  
Hui-Bin Wang ◽  
Kang-Ji Gan ◽  
...  

2017 ◽  
Vol 359 (23) ◽  
pp. 4244-4249 ◽  
Author(s):  
Zhenbo Yuan ◽  
Rui Pan ◽  
He Zhang ◽  
Lina Liu ◽  
Aijun Lin ◽  
...  

2020 ◽  
Vol 7 (12) ◽  
pp. 1474-1480 ◽  
Author(s):  
Chao Xia ◽  
Dong-Chao Wang ◽  
Gui-Rong Qu ◽  
Hai-Ming Guo

Highly enantioselective [5 + 4] annulations of ortho-quinone methides with vinylethylene carbonates are enabled by asymmetric palladium catalysis for the synthesis of chiral nine-membered benzo-heterocycles.


Synthesis ◽  
2021 ◽  
Author(s):  
Yanhua Ma ◽  
Fanxiao Meng ◽  
Ruonan Wang ◽  
Yaxin Fan ◽  
Qinqiang Su ◽  
...  

Herein, we present a palladium-catalyzed tandem [4+1] cycloadditions of vinyl benzoxazinanones with N-tosylhydrazones. The cycloaddition is accomplished by merging the in situ generated aza-ortho-quinone methides (aza-o-QMs) with nucleophilic carbenes. This method enables the construction of diverse indolines with broad functional group compatibility in good yields with high levels of diastereoselectivity under mild conditions.


2020 ◽  
Vol 7 (19) ◽  
pp. 2938-2943
Author(s):  
Yeojin Kim ◽  
Kwang Ho Song ◽  
Sunwoo Lee

Aryl sulfonyl hydrazide reacted with aryl iodide in the presence of CO to give the corresponding S-aryl thioesters.


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