... J. Org. Chem. ... The organic chemistry of vitamin D has been largely confined to the synthesis and characterization of many of its biologically revelant metabolites, with the main efforts being directed at la-hydroxylation and side-chain modi- fication scheme^.^ The chemistry of the ...
![9-Methoxy-2,3-dihydro-7H-furo[3,2-g]chromen-7-one Structure](https://image.chemsrc.com/caspic/394/3779-03-1.png)