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THE REACTION OF NITROUS ACID WITH 4-SUBSTITUTED-THIOSEMICARBAZIDES

✍ Scribed by Lieber, Eugene; Pillai, C. N.; Hites, Ralph D.

Book ID
118207376
Publisher
NRC Research Press
Year
1957
Tongue
French
Weight
233 KB
Volume
35
Category
Article
ISSN
0008-4042

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## Abstract magnified image 4‐Substituted thiosemicarbazides **4a‐c** reacted with (2,4,7‐trinitro‐9__H__‐fluoren‐9‐ylidene)‐propanedinitrile (**2**) in pyridine with admission of air to form spiro[fluorene‐9,3′‐(1,2,4‐triazole)]derivatives **5a‐c** and (4‐substituted thiosemicarbazono)propanedini