Triflic Acid Catalyzed 1,6-Conjugate Addition of Thiols to p -Quinone Methides under Continuous-Flow Conditions

2017 ◽  
Vol 2017 (25) ◽  
pp. 3716-3721 ◽  
Author(s):  
Abhijeet S. Jadhav ◽  
Ramasamy Vijaya Anand
Keyword(s):  
Continuous Flow ◽  
Conjugate Addition ◽  
Flow Conditions ◽  
Triflic Acid ◽  
Quinone Methides ◽  
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.

1,6-Conjugate addition of zinc alkyls to para-quinone methides in a continuous-flow microreactor

2017 ◽  
Vol 15 (1) ◽  
pp. 56-60 ◽  
Author(s):  
Abhijeet S. Jadhav ◽  
Ramasamy Vijaya Anand
Keyword(s):  
Continuous Flow ◽  
Conjugate Addition ◽  
Quinone Methides ◽  
Flow Microreactor

An efficient protocol has been developed for the 1,6-conjugate addition of zinc alkyls to p-quinone methides under continuous-flow using a microreactor.

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

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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