Catalytic asymmetric construction of spiro[pyrrolidine-2,3′-oxindole] scaffolds through chiral phosphoric acid-catalyzed 1,3-dipolar cycloaddition involving 3-amino oxindoles

2015 ◽  
Vol 51 (85) ◽  
pp. 15510-15513 ◽  
Author(s):  
Guodong Zhu ◽  
Baomin Wang ◽  
Xiaoze Bao ◽  
Huanrui Zhang ◽  
Qian Wei ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Dipolar Cycloaddition ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Catalytic Asymmetric

The catalytic asymmetric three-component 1,3-dipolar cycloaddition of 3-amino oxindoles with aldehydes and nitroolefins with a chiral phosphoric acid is reported.

ChemInform Abstract: Chiral Phosphoric Acid Catalyzed Enantioselective 1,3-Dipolar Cycloaddition Reaction of Azlactones.

ChemInform ◽  
2016 ◽  
Vol 47 (21) ◽  
Author(s):  
Zhenhua Zhang ◽  
Wangsheng Sun ◽  
Gongming Zhu ◽  
Junxian Yang ◽  
Ming Zhang ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed

Enantioselective construction of a 2,2′-bisindolylmethane scaffold via catalytic asymmetric reactions of 2-indolylmethanols with 3-alkylindoles

2015 ◽  
Vol 13 (29) ◽  
pp. 7993-8000 ◽  
Author(s):  
Yu-Xin Gong ◽  
Qiong Wu ◽  
Hong-Hao Zhang ◽  
Qiu-Ning Zhu ◽  
Feng Shi
Keyword(s):  
Phosphoric Acid ◽  
Asymmetric Reactions ◽  
Asymmetric Reaction ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Catalytic Asymmetric ◽  
Catalytic Asymmetric Reactions

A chiral phosphoric acid-catalyzed asymmetric reaction of 2-indolylmethanols with 3-alkylindoles has been established to construct 2,2′-bisindolylmethane scaffold in good enantioselectivities.

Chiral phosphoric acid catalyzed enantioselective 1,3-dipolar cycloaddition reaction of azlactones

2016 ◽  
Vol 52 (7) ◽  
pp. 1377-1380 ◽  
Author(s):  
Zhenhua Zhang ◽  
Wangsheng Sun ◽  
Gongming Zhu ◽  
Junxian Yang ◽  
Ming Zhang ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Cycloaddition Reaction ◽  
Dipolar Cycloaddition ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed

The first chiral phosphoric acid catalyzed highly diastereo- and enantioselective 1,3-dipolar cycloaddition reaction of azlactones and methyleneindolinones was disclosed to yield 3,3′-pyrrolidonyl spirooxindole scaffolds.

Diastereo- and enantioselective construction of spirooxindole scaffolds through a catalytic asymmetric [3 + 3] cycloaddition

2017 ◽  
Vol 15 (22) ◽  
pp. 4794-4797 ◽  
Author(s):  
Can Li ◽  
Han Lu ◽  
Xiao-Xue Sun ◽  
Guang-Jian Mei ◽  
Feng Shi
Keyword(s):  
Phosphoric Acid ◽  
Azomethine Ylides ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Catalytic Asymmetric

A chiral phosphoric acid-catalyzed asymmetric [3 + 3] cycloaddition of C3-substituted 2-indolylmethanols with isatin-derived azomethine ylides has been established, which afforded chiral spirooxindoles in considerable yields, moderate to good stereoselectivities.

A catalytic asymmetric interrupted Nazarov-type cyclization of 2-indolylmethanols with cyclic enaminones

2018 ◽  
Vol 16 (30) ◽  
pp. 5457-5464 ◽  
Author(s):  
Jia-Le Wu ◽  
Cong-Shuai Wang ◽  
Jin-Rong Wang ◽  
Guang-Jian Mei ◽  
Feng Shi
Keyword(s):  
Phosphoric Acid ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Catalytic Asymmetric ◽  
Cyclic Enaminones

A chiral phosphoric acid-catalyzed asymmetric interrupted Nazarov-type cyclization of C3-alkenyl-substituted 2-indolylmethanols has been established by using cyclic enaminones as nucleophiles.

scholarly journals Catalytic asymmetric multiple dearomatizations of phenols enabled by a cascade 1,8-addition and Diels–Alder reaction

2020 ◽  
Vol 11 (3) ◽  
pp. 671-676 ◽  
Author(s):  
Xihong Liu ◽  
Jingying Zhang ◽  
Lutao Bai ◽  
Linqing Wang ◽  
Dongxu Yang ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Alder Reaction ◽  
Diels Alder ◽  
Polycyclic Compounds ◽  
Diels Alder Reaction ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Catalytic Asymmetric

The first chiral phosphoric acid catalyzed asymmetric multiple dearomatizations of phenols for the synthesis of bridged polycyclic compounds are reported.

Chiral Phosphoric Acid Catalyzed Stereoselective Spiroketalizations

Synlett ◽  
2013 ◽  
Vol 24 (06) ◽  
pp. 661-665 ◽  
Author(s):  
Pavel Nagorny ◽  
Zhankui Sun ◽  
Grace Winschel
Keyword(s):  
Phosphoric Acid ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed
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