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32.2.1.1.2.2 Variation 2: Using Only a Copper(I) Catalyst

DOI: 10.1055/sos-SD-032-00025

Hashmi, A. S. K.Science of Synthesis, (20083226.

The use of copper bronze (see Section 32.2.1.1.2.1) is not necessary. Similar results are possible with copper(I) chloride alone, as shown in Scheme 4 for the preparation of chloroallene (9) from 3-chloroprop-1-yne (8).[‌7‌,‌21‌]

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