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One-pot synthesis of 4-aryl-2-cyanoimino-3,4-dihydro-1H-pyrimidines and their reactions

✍ Scribed by A. H. Moustafa, A. S. Shestakov, Kh. S. Shikhaliev

Book ID
118298107
Publisher
Springer US
Year
2012
Tongue
English
Weight
321 KB
Volume
48
Category
Article
ISSN
0009-3122

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✍ Rasheed Ahmadβ€…Khera; Rasheed Ahmad; Ihsan Ullah; Obaid-Ur-Rahman Abid; Olumide F πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons 🌐 German βš– 222 KB πŸ‘ 1 views

## Abstract 2‐Aryl‐2,3‐dihydro‐4__H__‐pyran‐4‐ones were prepared in one step by cyclocondensation of 1,3‐diketone dianions with aldehydes. The use of HCl (10%) for the aqueous workup proved to be very important to avoid elimination reactions of the 5‐aryl‐5‐hydroxy 1,3‐diones formed as intermediate