Diethyl (dichloromethyl)phosphonate. Preparation and use in the synthesis of alkynes: (4-methoxyphenyl)ethyne
CAS index name: Phosphonic acid, (dichloromethyl)-, diethyl ester to prepare Benzene, 1-ethylnyl-4-methoxy-
Organic Syntheses

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 |
|---|---|---|---|---|---|
| Acetylene74-86-2 · C2H2 | product | — | 26.04 | — | Danger |