Some reactions of 2-oxocyclopentanedithiocarboxylic acid and 3-methyl-5-oxo-1-phenyl-?2-pyrazoline-4-dithiocarboxylic acid
โ Scribed by Takeshima, Tatsuo; Fukada, Naoaki; Okabe, Eiichi; Mineshima, Fukashi; Muraoka, Motomu
- Book ID
- 120589026
- Publisher
- Royal Society of Chemistry
- Year
- 1975
- Weight
- 372 KB
- Volume
- 13
- Category
- Article
- ISSN
- 1472-7781
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๐ SIMILAR VOLUMES
## Abstract For Abstract see ChemInform Abstract in Full Text.
## Abstract 2โAminoโ6โ(3โmethylโ5โoxoโ1โphenylโ2โpyrazolinโ4โyl)โ4โphenylpyridineโ3โcarbonitrile (1) obtained by the reaction of 4โ(1โiminoethyl)โ3โmethylโ1โphenylโ2โpyrazolinโ5โone with benzylidenemalononitrile, was reacted with triethyl orthoformate followed by hydrazine hydrate, acetic anhydride
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