There is provided processes for the preparation of various compounds, including compounds of formulae I, IV and VII,
or salts and/or solvates thereof, which compounds are useful intermediates in the synthesis of certain oxabispidines having antiarrhythmic activity, such as compounds of formula XI wherein R
1?, R
15?, R
16?, R
18? and D have meanings given in the description.
提供了制备多种化合物的过程,包括式I、IV和VII的化合物,或其盐和/或溶剂合物,这些化合物是合成具有抗心律失常活性的某些氧杂
双咪唑化合物的有用中间体,例如式XI的化合物,其中R1?,R15?,R16?,R18?和D的含义在说明中给出。