Abstract:Bur Forderung des Problems ,,Beziehungen zwischen Struktur und Wirkung" schien es uns wichtig, von gegebenen Ahnlichkeiten zwischen gewiasen Verbindungstypen ausgehend das M7esen dieser Verwandtschaft eingehender zu untersuchen.Wir haben in diesem Zusammenhang u. a. bereits eine Reihe von vergleichenden Untersuchungen an Stoffpaaren ausgefiihrt, die wie das Beispiel Benzol-Thiophen formal durch den Austausch einer -CH=CH-Gruppe in Ringsystemen durch Schwefel erhalten werden konnen 2).Interessant erschien uns f… Show more
“…4 The compound was recrystallized from water several times, m.p. 185 2-Amino-4-hydroxy-7-methylbenzothiazole.-2-Methoxy-5-meth}damline was converted to 2-methoxy-5-methylphenylfhiourea by a method similar to that of Tuda, et al 3 This product was recrystallized from 50% water-alcohol several times, m.p. 128-129°.…”
“…4 The compound was recrystallized from water several times, m.p. 185 2-Amino-4-hydroxy-7-methylbenzothiazole.-2-Methoxy-5-meth}damline was converted to 2-methoxy-5-methylphenylfhiourea by a method similar to that of Tuda, et al 3 This product was recrystallized from 50% water-alcohol several times, m.p. 128-129°.…”
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