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Chemistry of esters of keto acids of the acetylene series. X. Addition of amines to 3-phenylethynyl-1-quinoxalone

โœ Scribed by Yu. S. Andreichikov; R. F. Saraeva; S. G. Pitirimova


Book ID
112362083
Publisher
Springer US
Year
1976
Tongue
English
Weight
161 KB
Volume
12
Category
Article
ISSN
0009-3122

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Chemistry of acetylenic ethers XLIV: Add
โœ J. Bonnema; H. J. Alkema; J. F. Arens ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 651 KB

## Abstract The addition of electrophilic reagents to ethyl (ethylthio)propynoate II occurs at carbon atom 2. Uncharged nucleophilic reagents (amines) are also added at carbon atom 2, but charged nucleophiles (ethoxide ion and the carbanion of malonic ester) interact at carbon atom 3. Additions to