126525-79-9Relevant academic research and scientific papers
One-Pot Green Synthesis of 2-Hydroxybenzoyl(cinnamoyl)methanes and 2-Styrylchromones Using Dual-Frequency Ultrasonication
Vashisth,Sharma,Kumar,Aruna
, p. 2143 - 2147 (2021/02/09)
Abstract: One-pot green synthesis of (2-hydroxybenzoyl)(cinnamoyl)methanes has been performed by reacting 2-hydroxyacetophenones with cinnamoyl chlorides using activated Ba(OH)2, followed by Baker–Venkataraman rearrangement assisted by dual-fre
Microwave assisted synthesis of 1-(2-hydroxyphenyl)-5-phenyl pent-4-ene-1,3-diones and their conversion to 2-styryl chromones
Goel, Sharda,Ritu,Makrandi
, p. 1278 - 1281 (2007/10/03)
A simple and efficient method has been developed for the rapid synthesis of 1-(2-hydroxyphenyl)-5-phenyl pent-4-ene-1,3-diones 3a-g in a single pot reaction under microwave irradiation. These β-diketones are further converted into 2-styryl chromones again
REACTIONS WITH 2-METHYLCHROMONES
Hamed, Ashraf A.,Madkour, Hassan M. F.,Nuaimi, Ibrahim S. Al.,Hussain, Badria A.
, p. 359 - 364 (2007/10/02)
The reactivity of 2-methylchromones and their derivatives towards nucleophilic and electrophilic reagents, cycloaddition reactions, thiation, reactions with compounds containing active methylene group has been investigated.The IR, 1H-NMR and mass spectra of new chromone derivatives were discussed.Key words: 2-Methylchromones, cycloaddition reactions with compounds containing active methylene
A CONVENIENT SYNTHESIS OF 2-STYRYLCHROMONES BY MODIFIED BAKER-VENKATARAMAN TRANSFORMATION USING PHASE TRANSFER CATALYSIS.
Makrandi, J. K.,Kumari, Vandna
, p. 1919 - 1922 (2007/10/02)
Condensation of 2-hydroxyacetophenones 1 with cinnamic anhydrides 2 in the presence of tetra-n-butyl ammonium hydrogen sulfate in benzene-aqueous potassium carbonate biphase medium give 1-(2-hydroxyphenyl)-5-phenyl-4-pentene-1,3-diones 3 which on cyclodeh
Synthesis and Reactions of 1,5-Disubstituted 4-Pentene-1,3-diones
Gaggad, H. L.,Wadodkar, K. N.,Ghiya, B. J.
, p. 1244 - 1247 (2007/10/02)
The title compounds (III) have been synthesised by the base-catalysed Baker-Venkataraman transformation of cinnamoyl and p-methoxycinnamoyl esters (II) of substituted 2-hydroxyacetophenones (I).The cyclodehydration of III with AcOH-H2SO4 affords 2-styrylc
