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Reaction of benzoyleneurea and isatoic anhydride with the Vilsmeier reagent

โœ Scribed by Mahavir Prashad; Denis Har; Oljan Repic; Thomas J Blacklock

Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
155 KB
Volume
38
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

A ring opening and dimerization reaction of benzoyleneurea (1) or isatoic anhydride (2) with thionyl chloride in DMF (Vilsmeier reagent), to yield N,N-dimethyl-2-(4-oxo-3(4H)-quinazolinyl)benzamide (4), is described.

๐Ÿ“œ SIMILAR VOLUMES

The Reactions of Hydridophosphorane with
The Reactions of Hydridophosphorane with Vilsmeier Reagents
โœ Dingquan Qian; Xingzhong Zeng; Xiaodong Shi; Ruzhen Cao; Lunzu Liu ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 164 KB ๐Ÿ‘ 2 views

Reactions of hydridophosphorane 3 with Vilsmeier reagents, HCONR 1 R 2 /POCl 3 , afford novel N,N-disubstituted amino bisphosphoranyl methanes4. The formation of 4 might occur via the intermediate 5, which then reacts further with excess 3.