The reactions of dirhodan (Ia) and of chlororhodan (Ib) with the cyclopropenes (II) and (IV) and with propene (VIII) are investigated for a comparison with the known results of the reactions of sulphenyl chlorides with these hydrocarbons.
A suggested approximate expression for lacunarity is proposed. Some numerical investigations show that the old expression fails in describing the homogeneity of elimination for some Sierpinski carpets.
Die Mercurierung des Acetylens (I) mit Hg‐acetat in Eisessig liefert bei nachfolgender Behandlung der Mercurierungsprodukte mit NaCl ein Gemisch der Isomeren (II) und (III); bei Ersatz des Acetats durch das Trifluoracetat erhält man ein Gemisch von (II)‐(IV).
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