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Figure 1
Two-step synthesis of 4a starting from N-(azidomethyl)phthalimide (1) and 1-bromo-4-ethynylbenzene (2). The amount of the minor component 4b was estimated from NMR analysis in acetonitrile-d3 (see supporting information). |
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Figure 1
Two-step synthesis of 4a starting from N-(azidomethyl)phthalimide (1) and 1-bromo-4-ethynylbenzene (2). The amount of the minor component 4b was estimated from NMR analysis in acetonitrile-d3 (see supporting information). |