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Regio- and Stereoselective Synthesis of Spiro[1-benzothiepine-4(5H),3′(3H)-pyrazol]-5-ones.

✍ Scribed by Nawal Mishriky; Adel S. Girgis; Hanaa M. Hosni; Hanaa Farag

Publisher
John Wiley and Sons
Year
2007
Weight
17 KB
Volume
38
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

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📜 SIMILAR VOLUMES

Regio- and stereoselective synthesis of
Regio- and stereoselective synthesis of spiro[1-benzothiepine-4(5h), 3′(3h)-pyrazol]-5-ones
✍ Nawal Mishriky; Adel S. Girgis; Hanaa M. Hosni; Hanaa Farag 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 466 KB

## Abstract magnified image Reaction of (4__E__)‐4‐arylmethylene‐3,4‐dihydro‐1‐benzothiepin‐5(2__H__)‐ones **3a‐e** with nitrilimines (generated __in situ via__ triethylamine dehydrohalogenation of the corresponding hydrazonoyl chlorides **4a, b**) in refluxing benzene, afforded 2′,4′,5′‐triaryl‐2

Synthesis of new spiro-[isothiochromene-
Synthesis of new spiro-[isothiochromene-3,5′-isoxazolidin]-4(1H)-ones
✍ Brahim Bennani; Bouchra Filali Baba; Najib Ben Larbi; Abdelatif Boukir; Abdelali 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 401 KB

## Abstract magnified image A series of seven new 2′,3′,4′‐substituted spiro[isothiochromene‐3,5′‐isoxazolidin]‐4(1__H__)‐ones (**7‐13**) has been prepared in the reaction of benzylidene(phenyl)azane oxide (**5**) or benzylidene(methyl)azane oxide (**6**) with (3Z)‐3‐(4‐substituted‐benzylidene)‐1_