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. 2022 Jul 15;41(15):2154–2169. doi: 10.1021/acs.organomet.2c00246

Table 2. [3 + 2] Cycloaddition of Azides and Alkynes Catalyzed by [Cu2(μ-Br)2(tBuImCH2pyCH2NEt2)]2 (5)i.

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i

Reaction conditions: azide (0.5 mmol), alkyne (0.5 mmol), and catalyst 5 (0.0025 mmol, 0.5 mol %) at 298 K.

b

Conversion relative to azide determined by GC using mesitylene as an internal standard.

c

Isolated yields in parenthesis.

d

Azide (1.0 mmol).

e

Temperature 343 K.