Journal of Organic Chemistry p. 126 - 128 (1991)
Update date:2022-08-11
Topics:
Farcasiu, Dan
Sharma, Shalini
Tha carbon-13 NMR spectra of a series of 2,6-disubstituted pyrylium compounds have been investigated.The chemical shift of C(4) is a measure of the charge density in that position of the ring.The variation of the chemical shift with the change of substitu
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