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Note on the Formation of 2,5-Dianilino-1,3,4-thiadiazole

B. Stanovnik ; Department of Chemistry, University of Ljubljana, Ljubljana, Slovenia, Yugoslavia
M. Tišler ; Department of Chemistry, University of Ljubljana, Ljubljana, Slovenia, Yugoslavia


Puni tekst: engleski pdf 1.585 Kb

str. 169-170

preuzimanja: 55

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Sažetak

In a previous paper1 we have described the formation of 2,5-dianilino-
1,3,4-thiadiazole and other 2,.5-diarylamino compounds fr.om 4-phenylthiosemicarbazide or other 4-arylthiosemicarbazides and diethyl cal1bonate. The same reacti,on product was also obtained by other workers when reacting 4-rphenylthiosemicarbazide with acetic acid2, concentrated sulfuric acid3, sulfur monochloride4 or with urea in amyl alcohoP. Furthermore, many reactions are known s'bairting w1th 1,6-diiphenylbithiourea5 and leading similarly to 2,5- · dianilino-1,3,4~thiaidiazole .

Ključne riječi

Hrčak ID:

208306

URI

https://hrcak.srce.hr/208306

Posjeta: 119 *