![tert-Butyl 6-chloro-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate structure](https://static.chemtradehub.com/structs/101/1011482-37-3-88a5.webp "tert-Butyl 6-chloro-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate structure")
tert-Butyl 6-chloro-4-oxospiro[chroman-2,4'-piperidine]-1'-carboxylate
CAS Number:
1011482-37-3
Molecular Formula:
C18H22ClNO4
Organophotoredox-catalyzed stereoselective reductive dimerization of chromone-2-carboxylic esters
Literature Information
Publication Date
2024-01-09
DOI
10.1039/D3NJ05659G
Impact Factor
3.591
Authors
Tanaya Manna, Subhas Chandra Debnath, Syed Masood Husain
View Original
Abstract
The irradiation of chromone-2-carboxylic esters with a blue LED in the presence of Rose Bengal and triethanolamine (TEOA) is used to obtain 2,2′-bichromanone of methyl, ethyl, n-propyl, iso-propyl, n-butyl, n-pentyl, and n-hexyl chromone-2-carboxylic esters in 52–93% yield and drtrans : cis up to 83 : 17. The key role played by Rose Bengal, TEOA, and blue light was established through numerous control experiments and a plausible mechanism is discussed.
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Source Journal
New Journal of Chemistry
CiteScore:
5.3
Self-citation Rate:
3.7%
Articles per Year:
2153
NJC (New Journal of Chemistry) is a broad-based primary journal encompassing all branches of chemistry and its sub-disciplines. It contains full research articles, communications, perspectives and focus articles. This well-established journal, owned by the Centre National de la Recherche Scientifique (CNRS) of France, has been co-published with the Royal Society of Chemistry since January 1998. NJC is the forum for the publication of high-quality, original and significant work that opens new directions in chemistry or other scientific disciplines. In addition to having a significant chemical component, work published in NJC must demonstrate that it will have an impact on areas of research other than that of the reported work.
Recommended Compounds
1-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid
CAS Number:
1152949-12-6
Molecular Formula:
C10H6Cl2N2O2
(2S)-2-(Fluoromethyl)piperidine hydrochloride (1:1)
CAS Number:
886216-73-5
Molecular Formula:
C6H13ClFN
1-(3-Fluorophenyl)-1H-1,2,4-triazole-3-carboxylic acid
CAS Number:
1292369-51-7
Molecular Formula:
C9H6FN3O2
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