Tert.-butoxybutanals, tert.-butoxybutanols, bis-tert.- butoxypentanals and bis-tert.-butoxypentanols

摘要

Tert.-butoxybutanals and tert.-butoxybutanols (I) and bis-tert. - butoxypentanals and bis-tert.-butoxypentanols (II) ##STR1## where R.sup. 1 and R.sup.2 are H or C.sub.1 -C.sub.4 -alkyl, one X is --CHO or --CH. sub. 2 OH and the others are H.PPThese compounds, which are valuable as fragrances and for use in organic syntheses are obtained by hydro- formylating the ethers (III) and bis-ethers (IV), respectively, using Rh catalysts. ##STR2##