The mechanisms of mass spectrometric fragmentation of eight new compounds, including methyl 5-methyl-2-oxo-3-[2-(4-R-phenyl)-1-ethyl]cyclopentanecarboxylates (Group I, R = substituent) and methyl 2-oxo-5-(4-R-phenyl)-3-propylcyclopentanecarboxylates (Group II, R = substituent), were studied using ma
✦ LIBER ✦
CNS, anthelmintic and antiinflammatory activities of some 1-[2/3-(2-phenyl benzimidazole)]2-methyl/phenyl-4-(3,4-disubstituted benzylidene)5-oxo-imidazoles
✍ Scribed by Rajiv R. Mohan; Chapal Agarwal; Rajesh Algarwal; Vinay S. Misra
- Book ID
- 114075184
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 708 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0031-6989
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## Abstract The cyclization of phenacyl anthranilate has been studied with the aim to develop the synthesis of 2‐(2′‐aminophenyl)‐4‐phenyloxazole. However, a different course of the reaction than expected was observed. 2‐Phenyl‐2‐hydroxymethyl‐4‐oxo‐1,2,3,4‐tetrahydroquinazoline (**3a**) was formed