Chiral Spiro Phosphoric Acid-Catalyzed Friedel–Crafts Conjugate Addition/Enantioselective Protonation Reactions

ACS Catalysis ◽  
2019 ◽  
Vol 9 (7) ◽  
pp. 6522-6529 ◽  
Author(s):  
Yi-Pan Li ◽  
Zi-Qi Li ◽  
Biying Zhou ◽  
Mao-Lin Li ◽  
Xiao-Song Xue ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Acid Catalyzed

Asymmetric organocatalytic synthesis of chiral 3,3-disubstituted oxindolesviaa 1,6-conjugate addition reaction

2018 ◽  
Vol 16 (29) ◽  
pp. 5301-5309 ◽  
Author(s):  
Abdul Rahman ◽  
Qiaoxia Zhou ◽  
Xufeng Lin
Keyword(s):  
Phosphoric Acid ◽  
Addition Reaction ◽  
Conjugate Addition ◽  
Quinone Methides ◽  
Acid Catalyzed

The chiral spirocyclic phosphoric acid-catalyzed enantioselective 1,6-conjugate addition reaction ofpara-quinone methides derived fromN-unprotected isatins with indoles was developed.

Organocatalytic Stereoselective 1,6-Addition of Thiolacetic Acids to Propargylic Indole Imine Methides: Access to Axially Chiral Sulfur-containing Tetrasubstituted Allenes

2021 ◽  
Author(s):  
Ziyang Wang ◽  
Xiao Lin ◽  
Xuling Chen ◽  
Pengfei Li ◽  
Wenjun Li
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Chiral Phosphoric Acid ◽  
Axially Chiral ◽  
Propargylic Alcohol ◽  
Acid Catalyzed ◽  
Sulfur Containing ◽  
Thiolacetic Acid

A chiral phosphoric acid catalyzed enantioselective 1,6-conjugate addition of thiolacetic acid to propargylic indole imine methide in situ formed from α-(3-indolyl) propargylic alcohol has been established, which enables the formation...

ChemInform Abstract: Phosphoric Acid Catalyzed Asymmetric 1,6-Conjugate Addition of Thioacetic Acid to para-Quinone Methides.

ChemInform ◽  
2016 ◽  
Vol 47 (22) ◽  
Author(s):  
Nan Dong ◽  
Zhi-Pei Zhang ◽  
Xiao-Song Xue ◽  
Xin Li ◽  
Jin-Pei Cheng
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Thioacetic Acid ◽  
Quinone Methides ◽  
Acid Catalyzed

Phosphoric Acid Catalyzed Asymmetric 1,6-Conjugate Addition of Thioacetic Acid to para -Quinone Methides

2015 ◽  
Vol 55 (4) ◽  
pp. 1460-1464 ◽  
Author(s):  
Nan Dong ◽  
Zhi-Pei Zhang ◽  
Xiao-Song Xue ◽  
Xin Li ◽  
Jin-Pei Cheng
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Thioacetic Acid ◽  
Quinone Methides ◽  
Acid Catalyzed

Theoretical insight into phosphoric acid-catalyzed asymmetric conjugate addition of indolizines to α,β-unsaturated ketones

2018 ◽  
Vol 29 (8) ◽  
pp. 1237-1241 ◽  
Author(s):  
Haohua Chen ◽  
Lei Zhu ◽  
Kangbao Zhong ◽  
Xiaoyu Yue ◽  
Ling-Bo Qu ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Unsaturated Ketones ◽  
Acid Catalyzed ◽  
Theoretical Insight ◽  
Insight Into

Phosphoric Acid Catalyzed Asymmetric 1,6-Conjugate Addition of Thioacetic Acid to para -Quinone Methides

2015 ◽  
Vol 128 (4) ◽  
pp. 1482-1486 ◽  
Author(s):  
Nan Dong ◽  
Zhi-Pei Zhang ◽  
Xiao-Song Xue ◽  
Xin Li ◽  
Jin-Pei Cheng
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Thioacetic Acid ◽  
Quinone Methides ◽  
Acid Catalyzed

Organocatalytic site- and stereoselective 1,6-additions of N-aryl-3-oxobutanamides to propargylic aza-p-quinone methides

2020 ◽  
Vol 7 (21) ◽  
pp. 3446-3451
Author(s):  
Fushuai Li ◽  
Xuling Chen ◽  
Shuai Liang ◽  
Zhenyan Shi ◽  
Pengfei Li ◽  
...  
Keyword(s):  
Phosphoric Acid ◽  
Conjugate Addition ◽  
Quinone Methides ◽  
Propargylic Alcohols ◽  
Chiral Phosphoric Acid ◽  
Acid Catalyzed ◽  
Site Selective ◽  
First Time

A chiral phosphoric acid catalyzed site-selective 1,6-conjugate addition of N-aryl-3-oxobutanamides to in situ formed propargylic aza-p-quinone methides from propargylic alcohols has been established for the first time.

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