First synthesis of a macrocycle from 3,6-diformylpyridazine: X-ray crystal structure of [Pb2(4 + 4)](ClO4)4

Sally Brooker; Robert J. Kelly; In Memory: G.M. Sheldrick (1942–2025)

doi:10.1039/c39940000487

First synthesis of a macrocycle from 3,6-diformylpyridazine: X-ray crystal structure of [Pb2(4 + 4)](ClO4)4

Journal of the Chemical Society Chemical Communications: 487-487

Article 1994 English

Abstract

1 min read

Condensation of 3,6-diformylpyridazine with 1,3-diaminopropane in the presence of lead(II) template ions gives the first example of a macrocycle containing pyridazine-diimine head units, and only the second example of a [4 + 4] Schiff base macrocycle; the structure of [Pb2(4 + 4)](ClO4)4, 1, is described.

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First synthesis of a macrocycle from 3,6-diformylpyridazine: X-ray crystal structure of [Pb2(4 + 4)](ClO4)4

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