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Achmatowicz Approach to 5,6-Dihydro-2H-pyran-2-one Containing Natural Products

✍ Scribed by Joel M. Harris; Miaosheng Li; Jana G. Scott; George A. O'Doherty

Publisher
John Wiley and Sons
Year
2005
Weight
8 KB
Volume
36
Category
Article
ISSN
0931-7597

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## Abstract The ^1^H and ^13^C NMR spectra of __trans__‐ and __cis__‐__tert__‐butyl 2‐methoxy‐5,6‐dihydro‐2__H__‐pyran‐6‐carboxylates (1 and 2) and 6,6′‐disubstituted 2‐methoxy‐5,6‐dihydro‐2__H__‐pyrans (3‐7) have been recorded. HH and CH coupling constants are discussed in terms of the ^1^H~6~⇄^6^