Visible-light-facilitated P-center radical addition to C=X (X = C, N) bonds results in cyclizations

2021 ◽  
Author(s):  
Shang-Dong Yang ◽  
Chong Li ◽  
Juan Wang
Keyword(s):  
Visible Light ◽  
Organophosphorus Compounds ◽  
Radical Addition ◽  
Radical Reactions

Visible-light-facilitated phosphorus radical reactions have been developed as a powerful and sustainable tool for the synthesis of various organophosphorus compounds. In general, these reactions require stoichiometric amounts of oxidants, and...

Aqueous-Medium Carbon–Carbon Bond-Forming Radical Reactions Catalyzed by Excited Rhodamine B as a Metal-Free Organic Dye under Visible Light Irradiation

2016 ◽  
Vol 81 (16) ◽  
pp. 7217-7229 ◽  
Author(s):  
Eito Yoshioka ◽  
Shigeru Kohtani ◽  
Takahisa Jichu ◽  
Takuya Fukazawa ◽  
Toyokazu Nagai ◽  
...  
Keyword(s):  
Visible Light ◽  
Aqueous Medium ◽  
Visible Light Irradiation ◽  
Rhodamine B ◽  
Organic Dye ◽  
Radical Reactions ◽  
Medium Carbon ◽  
Metal Free ◽  
Bond Forming ◽  
Carbon Carbon Bond

Highly Diastereoselective Radical Reactions of Substituted Methylideneimidazolidinones and Related Systems

2004 ◽  
Vol 57 (7) ◽  
pp. 629 ◽  
Author(s):  
George A. Adamson ◽  
Athelstan L. J. Beckwith ◽  
Christina L. L. Chai
Keyword(s):  
Radical Addition ◽  
Radical Reactions

Stannane-mediated radical addition to methylideneimidazolidinones occurs with good to excellent diastereo-selectivity. The stereochemical outcome of addition is highly dependent on the nature of the N1 substituent on the imidazolidinone ring.

Synthesis of Isoquinoline-1,3(2H,4H)-diones by Visible-light-mediated the Cyclization of Acryloylbenzamides with Alkyl Boronic Acids, Arylsulfonylhydrazides and Oxime Esters

Synthesis ◽  
2022 ◽  
Author(s):  
Jiahui Fu ◽  
Xingxing Cai ◽  
Yihuo Liu ◽  
Jing-Hua Li ◽  
Dongping Cheng ◽  
...  
Keyword(s):  
Visible Light ◽  
Bioactive Compounds ◽  
Boronic Acids ◽  
Radical Addition ◽  
Tandem Reaction ◽  
Good Opportunity ◽  
Mild Conditions ◽  
Reaction Proceeds

An efficient visible-light-mediated tandem reaction of acryloylbenzamides with alkyl boronic acids, arylsulfonylhydrazides and oxime esters is developed. The reaction proceeds the radical addition and cyclization to give various isoquinoline-1,3(2H,4H)-diones in satisfactory yields under mild conditions, which provides a good opportunity to discover new meaningful bioactive compounds.

Transition metal-free, visible-light-mediated construction of α,β-diamino esters via decarboxylative radical addition at room temperature

2019 ◽  
Vol 6 (13) ◽  
pp. 2245-2249 ◽  
Author(s):  
Guibing Wu ◽  
Jingwen Wang ◽  
Chengyu Liu ◽  
Maolin Sun ◽  
Lei Zhang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Visible Light ◽  
Carboxylic Acids ◽  
Room Temperature ◽  
Radical Addition ◽  
Metal Free ◽  
Radical Coupling

A metal-free photoredox catalyzed decarboxylative radical coupling of free-carboxylic acids and glyoxylic oximes was developed to synthesize α,β-diamino acids.

scholarly journals Visible-light-induced deoxygenative C2-sulfonylation of quinoline N-oxides with sulfinic acids for the synthesis of 2-sulfonylquinoline via radical reactions

2019 ◽  
Vol 40 (10) ◽  
pp. 1494-1498 ◽  
Author(s):  
Dao-Qing Dong ◽  
Li-Xia Li ◽  
Guang-Hui Li ◽  
Qi Deng ◽  
Zu-Li Wang ◽  
...  
Keyword(s):  
Visible Light ◽  
Radical Reactions ◽  
Sulfinic Acids

Visible-light-mediated radical cascade reaction: synthesis of 3-bromocoumarins from alkynoates

2017 ◽  
Vol 15 (41) ◽  
pp. 8820-8826 ◽  
Author(s):  
Shangbiao Feng ◽  
Jinlai Li ◽  
Zaimin Liu ◽  
Haiyu Sun ◽  
Hongliang Shi ◽  
...  
Keyword(s):  
Visible Light ◽  
Cascade Reaction ◽  
Radical Addition ◽  
Reaction Synthesis ◽  
Radical Cascade

The development of a visible-light mediated bromo radical addition/spirocyclization/ester migration cascade reaction to generate 3-bromocoumarins from alkynoates is reported.

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