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

Reaction scheme of Diethyl (dichloromethyl)phosphonate. Preparation and use in the synthesis of alkynes: (4-methoxyphenyl)ethyne from Organic Syntheses
Scheme as published in Org. Synth. Coll. Vol. 9, p. 230; Vol. 74, p. 108.

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

CompoundRoleEquivMW (g/mol)ρ (g/mL)Safety
Acetylene74-86-2 · C2H2 product — 26.04 — Flammable (GHS02)Compressed Gas (GHS04)Danger

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