| Identification | More | [Name]
PHENYLPROPIOLALDEHYDE DIETHYL ACETAL | [CAS]
6142-95-6 | [Synonyms]
(3,3-DIETHOXYPROP-1-YN-1-YL)BENZENE
3-PHENYL-2-PROPYNYL ALDEHYDE DIETHYL ACETAL
PHENYLPROPARGYL ALDEHYDE DIETHYL ACETAL
PHENYLPROPIOLALDEHYDE DIETHYL ACETAL
PHENYLPROPIOLIC ALDEHYDE DIETHYLACETAL
(3,3-Diethoxy-1-propynyl)benzene
3-Phenylpropynal diethyl acetal
Propiolaldehyde, phenyl-, diethyl acetal
dehydrocinnamaldehyde-diethylacetal
1,1-diethoxy-3-phenyl-2-propyne
Phenylpropargyl aldehyde diethyl acetal, GC 98%
2-Methythio-2-Imidazoline Hydroiodide
1-Phenyl-3,3-diethoxy-1-propyne
3-Phenyl-2-propyne-1-one diethyl acetal | [EINECS(EC#)]
228-143-6 | [Molecular Formula]
C13H16O2 | [MDL Number]
MFCD00009238 | [Molecular Weight]
204.26 | [MOL File]
6142-95-6.mol |
| Questions And Answer(Q&A) | Back Directory | [preparation]
To a flask equipped with a 12-in. Vigreux column and distillation head is added 74.0 gm (0.50 mole) of triethyl orthoformate, 51.0 gm (0.50 mole)of phenylacetylene, and 3.0 gm of zinc iodide* catalyst. The flask must first be heated to 135°C before ethanol starts to reflux. The ethanol distillate (26.4 gm) boiling at 65°-88°C is removed over a period of 1 hr while the temperature of the reaction mixture is raised to 200°-210°C. The reaction mixture is cooled and filtered, the precipitate washed with 5 ml of ether and the ether combined with the filtrate is distilled to afford 73-80 gm (72-78%), b.p. 99-100°C (2.0 mm Hg). The IR spectrum showed absorption at 4.5-μ (—C=C—) and 9.0-μ region ( - C — O ).
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