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Heterocyclizations via POCl3-Based Multicomponent Reactions: A New Approach to One-Pot Synthesis of a New Spirosystem, 7-Methyl-5-[4-(aryl/heteryl)thiazol-2-yl]-5,6-diazaspiro[2,4]hept-6-en-4-ones

✍ Scribed by Rao, V. Rajeswar; Reddy, V. Ravinder


Book ID
115315647
Publisher
Taylor and Francis Group
Year
2010
Tongue
English
Weight
272 KB
Volume
40
Category
Article
ISSN
0039-7911

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A convenient one-pot synthesis of new 3-
✍ V. Rajeswar Rao; V. Ravinder Reddy 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 229 KB

## Abstract magnified image Anhydrous zinc bromide catalysed reactions of arylidine‐3‐acetyl coumarins (**1a‐c**) and 5,6‐benzoanalogs of arylidine 3‐acetyl coumarins (**4a,4b**) with 1,3‐cyclohexanedione gives ‐(4‐aryl‐5‐oxo‐5,6,7,8‐tetrahydro‐4__H__‐chromen‐2yl)‐2__H__‐chromen‐2‐ones (**3a, 3c**