Synthesis and reactivity of 3-(1-hydroxy-3-buten-1-yl) chromone

P Karmakar, T Ghosh, D Chakrabarty…

Index: Karmakar, Partha; Ghosh, Tarun; Chakrabarty, Debasish; Maiti, Sourav; Bandyopadhyay, Chandrakanta Journal of Chemical Research, 2008 , # 4 p. 208 - 211

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Abstract

Zn-induced allylation of chromone-3-carbaldehyde 1 produces 3-(1-hydroxy-3-butene-1-yl)chromone 2, which gives back 1 on treatment with formalin under acidic conditions, and reacts differently towards nitrogenous nucleophiles. ... Keywords: allylation, oxonia-Cope rearrangement, 3-formylchromone, Schiff bases, 1-benzopyrans ... Prins reaction on homoallyl alcohol has drawn much attention in recent years as it provides an easy route for the synthesis of ...

~55%

~55%

~78%

~83%

Syntheses, three types of hydrogen-bonded assembly structure...

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Formation of N, N'-bis [1-(2-hydroxyphenyl) ethylidene] ethy...

[Karmakar, Partha; Santra, Subhankar; Ghosh, Tarun; Bandyopadhyay, Chandrakanta Journal of the Indian Chemical Society, 2008 , vol. 85, # 5 p. 577 - 579]

Antihyperglycemic, α-glucosidase inhibitory and DPPH free ra...

[Misra, Sristicheta; Pandeya, Krishna Bihari; Tiwari, Ashok Kumar; Ali, Amtul Zehra; Saradamani, Thimmapatruni; Agawane, Sachin Bharat; Madhusudana, Kuncha Medicinal Chemistry Research, 2011 , vol. 20, # 9 p. 1431 - 1437]