An improved procedure for the prepn. of unstable dihydroxybenzenethiols I (r = H, Me, CH2CH2NH2) and II in 94-99% yields involves mild redn. of the corresponding iso-thiouronium salts, e.g., III, with NaBH4.
A convenient access to dihydroxybenzenethiols via reduction of iso-thiouronium salts with sodium borohydride / Mascagna, D.; D'Ischia, Marco; Costantini, C.; Prota, G.. - In: SYNTHETIC COMMUNICATIONS. - ISSN 0039-7911. - STAMPA. - 24:(1994), pp. 35-42. [10.1080/00397919408012622]
A convenient access to dihydroxybenzenethiols via reduction of iso-thiouronium salts with sodium borohydride
D'ISCHIA, MARCO;
1994
Abstract
An improved procedure for the prepn. of unstable dihydroxybenzenethiols I (r = H, Me, CH2CH2NH2) and II in 94-99% yields involves mild redn. of the corresponding iso-thiouronium salts, e.g., III, with NaBH4.File in questo prodotto:
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