AI Article Synopsis
- Researchers synthesized dimeric macrocycles using diols and diamines with dimeric phosph(III)azane, producing specific compounds based on the organic spacers used.
- The study found that varying reaction conditions and the characteristics of the organic spacers can influence whether a dimeric or monomeric product is formed.
- Contrary to previous findings, this research indicates that dimeric macrocycles frequently form in these reactions, highlighting the importance of sterics and reaction setups.
Article Abstract
The dimeric macrocycles [[P(mu-NtBu)]2.LL]2 [LL = OCH2C(Me)2CH2O (1), 2,6-(NH)2C5H3N (2), 1,2-(NH)2C6H4(3)] have been obtained by the reactions of the appropriate diols and diamines (LLH2) with the dimeric phosph(III)azane [ClP(mu-NtBu)]2. Under different conditions the reaction of 1,2-(NH2)2C6H4 with [ClP(mu-NtBu)]2 gives the monomer [[P(mu-NtBu)]2.[1,2-(NH)2C6H4]] (4) (instead of the dimer 3). Contrary to the literature, the results illustrate that the formation of dimeric macrocycles is common in these reactions and dependent among other factors on the steric demands and length of the organic spacer (LL) as well as the reaction conditions.
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| http://dx.doi.org/10.1039/B409071C | DOI Listing |
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