ChemInform Abstract: Catalyst-Free Singlet Oxygen-Promoted Decarboxylative Amidation of α-Keto Acids with Free Amines.

ChemInform ◽  
2016 ◽  
Vol 47 (46) ◽  
Author(s):  
Wen-Tao Xu ◽  
Bei Huang ◽  
Jian-Jun Dai ◽  
Jun Xu ◽  
Hua-Jian Xu
Keyword(s):  
Singlet Oxygen ◽  
Catalyst Free ◽  
Keto Acids

Catalyst-Free Singlet Oxygen-Promoted Decarboxylative Amidation of α-Keto Acids with Free Amines

2016 ◽  
Vol 18 (13) ◽  
pp. 3114-3117 ◽  
Author(s):  
Wen-Tao Xu ◽  
Bei Huang ◽  
Jian-Jun Dai ◽  
Jun Xu ◽  
Hua-Jian Xu
Keyword(s):  
Singlet Oxygen ◽  
Catalyst Free ◽  
Keto Acids

One-pot gram-scale synthesis of γ-hydroxybutenolides through catalyst-free annulation of α-amino acids with α-keto acids in water

2017 ◽  
Vol 58 (11) ◽  
pp. 1034-1036 ◽  
Author(s):  
Zhiqing He ◽  
Fang Fang ◽  
Jianguang Lv ◽  
Jianmin Zhang
Keyword(s):  
Amino Acids ◽  
One Pot ◽  
Catalyst Free ◽  
Keto Acids

ChemInform Abstract: Catalyst-Free Direct Decarboxylative Coupling of α-Keto Acids with Thiols: A Facile Access to Thioesters.

ChemInform ◽  
2015 ◽  
Vol 46 (44) ◽  
pp. no-no
Author(s):  
Kelu Yan ◽  
Daoshan Yang ◽  
Wei Wei ◽  
Jing Zhao ◽  
Yuanyuan Shuai ◽  
...  
Keyword(s):  
Catalyst Free ◽  
Keto Acids ◽  
Decarboxylative Coupling

Visible Light Promotes Decyanation Esterification Reaction of β-Ketonitriles with Dioxygen and Alcohols to α-Ketoesters

Synlett ◽  
2018 ◽  
Vol 29 (08) ◽  
pp. 1065-1070 ◽  
Author(s):  
Cheng Guo ◽  
Chen Xu ◽  
Nan-Nan Zhang ◽  
Xiao-ji Li ◽  
Yan-qin Ge ◽  
...  
Keyword(s):  
Visible Light ◽  
Singlet Oxygen ◽  
Bond Cleavage ◽  
Esterification Reaction ◽  
Bond Functionalization ◽  
Oxygen Generation ◽  
Singlet Oxygen Generation ◽  
Catalyst Free ◽  
Plausible Mechanism

A green and mild method has been developed for the conversion of β-ketonitriles into α-ketoesters under catalyst-free conditions. A plausible mechanism is that visible light promotes singlet oxygen generation to form the products through oxidative C–H bond functionalization and C–C σ-bond cleavage.

The catalyst-free decarboxylative dearomatization of isoquinolines with β-keto acids and sulfonyl chlorides in water: access to dihydroisoquinoline derivatives

2020 ◽  
Vol 18 (42) ◽  
pp. 8646-8652
Author(s):  
Yutong Zhang ◽  
Fuzhong Han ◽  
Lina Jia ◽  
Xiangping Hu
Keyword(s):  
Water Access ◽  
One Pot ◽  
Sulfonyl Chlorides ◽  
Catalyst Free ◽  
Keto Acids

An efficient and concise catalyst-free one-pot synthetic protocol for obtaining dihydroisoquinoline derivatives has been developed via the three-component condensation of isoquinolines with β-keto acids and sulfonyl chlorides.

Catalyst-free direct decarboxylative coupling of α-keto acids with thiols: a facile access to thioesters

2015 ◽  
Vol 13 (26) ◽  
pp. 7323-7330 ◽  
Author(s):  
Kelu Yan ◽  
Daoshan Yang ◽  
Wei Wei ◽  
Jing Zhao ◽  
Yuanyuan Shuai ◽  
...  
Keyword(s):  
Catalyst Free ◽  
Keto Acids ◽  
Decarboxylative Coupling

A catalyst-free protocol has been demonstrated for the synthesis of thioesters via the direct decarboxylation of α-keto acids with thiols.

Hot water-promoted catalyst-free reductive cycloamination of (bio-)keto acids with HCOONH4 toward cyclic amides

2020 ◽  
Vol 157 ◽  
pp. 104698 ◽  
Author(s):  
Hongguo Wu ◽  
Zhaozhuo Yu ◽  
Yan Li ◽  
Yufei Xu ◽  
Hu Li ◽  
...  
Keyword(s):  
Hot Water ◽  
Catalyst Free ◽  
Keto Acids

Fluoroquinolone Antimicrobials: Singlet Oxygen, Superoxide and Phototoxicity

1998 ◽  
Vol 67 (4) ◽  
pp. 399 ◽  
Author(s):  
Lydia J. Martínez ◽  
Robert H. Sik ◽  
Colin F. Chignell
Keyword(s):  
Singlet Oxygen
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