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Synthetic approaches towards 4-(silylmethyl)-2-azetidinones

✍ Scribed by Cristina Nativi; Enzo Perrotta; Alfredo Ricci; Maurizio Taddei

Book ID
104216130
Publisher
Elsevier Science
Year
1991
Tongue
French
Weight
278 KB
Volume
32
Category
Article
ISSN
0040-4039

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✦ Synopsis

Differsnr/y substituted #~(si/ylmcthyl)-2-~etidinones were prepared siwting form the corresponding 4~aCeiQxy-Z-aretidinQnirs with sily/methylmagnesium chlarides. The same kind of /Macrams were synthesjxed "via" cycloaddition of a//yManes and ch/orosu/fonyl isacyanate (CS/).

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Synthetic approaches towards the sulfona
Synthetic approaches towards the sulfonamide substituted-4,5-diaryl-4H-1,2,4-triazole-3-thiones
✍ Latifeh Navidpour; Mohsen Amini; Abbas Shafiee πŸ“‚ Article πŸ“… 2007 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 508 KB

## Abstract magnified image A new series of 3‐alkylthio‐4,5‐diaryl‐4__H__‐1,2,4‐triazoles having a SO~2~NH~2~ substituent in the __para__‐position on one of the aryl rings (**19/25**) were prepared starting from the appropriate benzoic acid hydrazides (**15/21**). Reaction of the corresponding hyd