𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Reaction of 3-Formylchromone-N-benzoylhydrazone with Ketenes. Synthesis and Structural Studies of Chromone 1,3,4-Oxadiazolines.

✍ Scribed by George C. Kaspentakis; Constantinos A. Tsoleridis; Julia Stephanidou-Stephanatou

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

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Reaction of 3-formylchromone-N-benzoylhy
Reaction of 3-formylchromone-N-benzoylhydrazone with ketenes. Synthesis and structural studies of chromone 1,3,4-oxadiazolines
✍ George C. Kaspentakis; Constantinos A. Tsoleridis; Julia Stephanidou-Stephanatou 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 492 KB

## Abstract magnified image The reaction of 3‐formylchromone‐__N__‐benzoylhydrazone with ketenes, prepared __in situ__ from the corresponding acid chlorides **2a‐d** and the mixed anhydride **2e** was studied. In all cases 2‐(4′‐oxo‐4′__H__‐3′‐chromyl)‐5‐phenyl‐2,3‐dihydro‐1,3,4‐oxadiazoles (**3**

Reaction of 2-diazo-1,2-diarylethanones
Reaction of 2-diazo-1,2-diarylethanones with benzophenone n-(diaryl)acyl hydrazones: Formation of 1,3,4-oxadiazolines
✍ Girija S. Singh 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 194 KB

## Abstract magnified image The reaction of 2‐diazo‐1,2‐diarylethanones with benzophenone __N__‐(diaryl)acyl hydrazones leads to the formation of 1,3,4‐oxadiazolines. The products have been characterized on the basis of satisfactory analytical and spectral (IR, ^1^H and ^13^C NMR, and Mass) data.

ChemInform Abstract: Annulation Reaction
ChemInform Abstract: Annulation Reactions of Allene-Derived 1,3-Dipole with 3-Substituted-Chromones: Unusual Recognition of 4π-Component in 3-(N-Aryliminomethyl)chromones Through [4 + 3] Annulation.
✍ Kamal Kumar; Rajiv Kapoor; Ashish Kapur; Mohan Paul S. Ishar 📂 Article 📅 2000 🏛 John Wiley and Sons ⚖ 31 KB

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v