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IJC-B Vol.45B [2006] >
IJC-B Vol.45B(02) [February 2006] >

Title: Propionic acids in organic synthesis: Novel synthesis of benzimidazole, 3,1-benzoxazine, 3-aminoquinazoline and 3-aminothieno[2,3-d]pyrimidine derivatives containing 2-naphthyl propionyl moiety
Authors: Al-Sehemi, Abdullah G M
El-Sharief, A M Sh
Ammar, Y A
Keywords: Propionic acids
aminothieno pyrimidine
naphthyl propionyl moiety
ammonium thiocyanate
sodium azide
Issue Date: Feb-2006
Publisher: CSIR
IPC CodeInt.Cl.7 C 07 D
Abstract: Naproxenoyl chloride 2 is reacted with some nucleophilic reagents as ammonium thiocyanate and sodium azide to produce the novel isothiocyanate 3 and azide 4 derivatives, respectively. Interaction of isothiocyanate 3 with 1,2-phenylenediamine and anthranilic acid has produced the corresponding benzimidazole 5 and 3,1-benzoxazine 7 derivatives, respectively. Treatment of acid azide 4 with p-toluidine afforded urea derivative 9. The novel quinazolinone 11 was synthesized by acylation of methyl anthranilate with acid chloride 2 followed by treatment with hydrazine hydrate.
Page(s): 450-455
ISSN: 0975-0983(Online); 0376-4699(Print)
Source:IJC-B Vol.45B(02) [February 2006]

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