Electromeric effect of substitution at 6th position in 2-(Furan-2-yl)-3-hydroxy-4H-chromen-4-one (fhc) on the absorption and emission spectra



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Electromeric effect of substitution at 6th position in 2-(Furan-2-yl)-3-hydroxy-4H-chromen-4-one (FHC) on the absorption and emission spectra

MANISHA BANSAL* and RANBIR KAUR

Department of Chemistry, Punjabi University, Patiala-147002 Punjab, India

E-mail addresses. jindal_manisha@yahoo.co.in and ranbir.sandhu31@yahoo.com





Figure S1. Full Length 1HNMR Spectra of 2-(furan-2-yl)-3-hydroxy-4H-chromen-4-one (2)



Figure S2. Expanded 1HNMR Spectra of 2-(furan-2-yl)-3-hydroxy-4H-chromen-4-one (2)



Figure S3. D2O replacement of 3-OH group in 1HNMR Spectra of 2-(furan-2-yl)-3-hydroxy-4H-chromen-4-one (2)



Figure S4. Full length 1HNMR spectra of 2-(furan-2-yl)-3-hydroxy-6-methyl-4H-chromen-4-one (3)



Figure S5. Expanded 1HNMR spectra of 2-(furan-2-yl)-3-hydroxy-6-methyl-4H-chromen-4-one (3)



Figure S6. Full length 1HNMR spectra of 2-(furan-2-yl)-3,6-dihydroxy-4H-chromen-4-one (4)



Figure S7. Full length 1HNMR spectra of 2-(furan-2-yl)-3-hydroxy-6-nitro-4H-chromen-4-one (5)



Figure S8. Expanded 1HNMR spectra of 2-(furan-2-yl)-3-hydroxy-6-nitro-4H-chromen-4-one (5)



Figure S9. D2O replacement of 3-OH group in 1HNMR Spectra of 2-(furan-2-yl)-3-hydroxy-6-nitro-4H-chromen-4-one (5)



Figure S10. Full length 1HNMR spectra of 2-(furan-2-yl)-3-hydroxy-6-chloro-4H-chromen-4-one (6)



Figure S11. Expanded 1HNMR spectra of 2-(furan-2-yl)-3-hydroxy-6-chloro-4H-chromen-4-one (6)



Figure S12. D2O replacement of 3-OH group in 1HNMR Spectra of 2-(furan-2-yl)-3-hydroxy-6-chloro-4H-chromen-4-one (6)


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