Tetrolic acid
| Structural formula | |||||||||||||||||||
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| General | |||||||||||||||||||
| Surname | Tetrolic acid | ||||||||||||||||||
| other names |
2-butynoic acid |
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| Molecular formula | C 4 H 4 O 2 | ||||||||||||||||||
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| properties | |||||||||||||||||||
| Molar mass | 84.07 g mol −1 | ||||||||||||||||||
| Physical state |
firmly |
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| Melting point |
77 ° C |
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| safety instructions | |||||||||||||||||||
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| As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . | |||||||||||||||||||
Tetrolic acid ( 2-butynoic acid ) is an unsaturated organic acid. Their functional groups are a CC triple bond and a carboxylic acid group .
presentation
Starting from acetoacetic ester , hydrazine and bromine are used to form a pyrazolinone , from which the desired product is obtained in 63% yield.
Individual evidence
- ↑ a b Frank-Michael Simmross, Peter Weyerstahl: A simple way to 2-butynic acid (tetrolic acid) ; Synthesis ; 1981 (1): pp. 72-72; doi: 10.1055 / s-1981-29345 .
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
Web links
Commons : Tetrolic acid - Collection of pictures, videos, and audio files
