PHENYLPROPIOLALDEHYDE DIETHYL ACETAL
- CAS No.
- 6142-95-6
- Chemical Name:
- PHENYLPROPIOLALDEHYDE DIETHYL ACETAL
- Synonyms
- 3,3-diethoxyprop-1-ynylbenzene;1,1-diethoxy-3-phenyl-2-propyne;3-Phenylpropynal diethyl acetal;1-Phenyl-3,3-diethoxy-1-propyne;(3,3-Diethoxy-1-propynyl)benzene;dehydrocinnamaldehyde-diethylacetal;(3,3-DIETHOXYPROP-1-YN-1-YL)BENZENE;(3,3-Diethoxy-1-propyn-1-yl)benzene;PHENYLPROPIOLALDEHYDE DIETHYL ACETAL;2-Methythio-2-Imidazoline Hydroiodide
- CBNumber:
- CB7719811
- Molecular Formula:
- C13H16O2
- Molecular Weight:
- 204.26
- MOL File:
- 6142-95-6.mol
- MSDS File:
- SDS
- Modify Date:
- 2022/11/11 11:01:00
| Boiling point | 99-100 °C2 mm Hg(lit.) |
|---|---|
| Density | 0.991 g/mL at 25 °C(lit.) |
| refractive index |
n |
| Flash point | >230 °F |
| storage temp. | Sealed in dry,2-8°C |
| BRN | 2049715 |
| CAS DataBase Reference | 6142-95-6(CAS DataBase Reference) |
PHENYLPROPIOLALDEHYDE DIETHYL ACETAL Chemical Properties,Uses,Production
Chemical Properties
CLEAR COLOURLESS TO YELLOW LIQUID
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 ).
Synthesis Reference(s)
The Journal of Organic Chemistry, 49, p. 2031, 1984 DOI: 10.1021/jo00185a045
PHENYLPROPIOLALDEHYDE DIETHYL ACETAL Preparation Products And Raw materials
PHENYLPROPIOLALDEHYDE DIETHYL ACETAL Suppliers
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