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Environmentally Benign Neat Mechanochemical Synthesis and Photophysical Studies of Indolylquinolines via Silica gel Catalyzed Metal free A3‐Coupling
Author(s) -
Yadav Chandragiri Suresh,
Suhasini Ramalingam,
Thiagarajan Viruthachalam,
Velmurugan Devadasan,
Kannadasan Sathananthan
Publication year - 2018
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201802941
Subject(s) - phenylacetylene , substituent , moiety , quinoline , catalysis , fluorescence , coupling reaction , metal , chemistry , coupling (piping) , photochemistry , materials science , polymer chemistry , organic chemistry , physics , quantum mechanics , metallurgy
An efficient neat mechanochemical method for the synthesis of fluorescent indolylquinonlines via A3‐coupling reaction of 1‐phenylsulfonylindole‐3‐carbaldehyde (1) , substituted anilines 2(a–j) and substituted phenylacetylene 3(a,b) using SiO 2 as an effective catalyst has been developed. The photophysical properties of newly synthesized indolylquinoline derivatives 4(a–l) were established and it depends on the nature of substituent at C6 position of quinoline moiety.