The addition reactions of thebaine (1) and (3-dihydrothebaine methyl ether (2) with phenylsulphonylpropadiene (3) proceed very smoothly in polar solvents to provide novel adducts (4) and (6), respectively, in good yields.
Thebain (I) reagiert mit Phenylsulfonylallen (II) zu einem untrennbaren Gemisch der Addukte (IIIa) und (IIIb), die bei der Hydrolyse nur ein Keton (IV) ergeben.
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