Alkynes via phase transfer–catalyzed dehydrohalogenation: propiolaldehyde diethyl acetal
CAS index name: 1-Propyne, 3,3-diethoxy-
Organic SynthesesHalogenation

A checked procedure from Organic Syntheses, the journal whose preparations are repeated in a second laboratory before publication. The full experimental, with amounts, hazards and characterisation data, is on orgsyn.org.
Reagents
| Compound | Role | Equiv | MW (g/mol) | ρ (g/mL) | Safety |
|---|---|---|---|---|---|
| 3,3-Diethoxy-1-propyne10160-87-9 · C7H12O2 | product | — | 128.17 | — | Warning |