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Synlett 2018; 29(18): 2381-2384
DOI: 10.1055/s-0037-1610632
DOI: 10.1055/s-0037-1610632
letter
Two Propanediurea-based Cucurbituril Analogues: Bis-ns-TD[8] and NH-ns-TD[4]
This work was financially supported by the NSFC/China (21572063 and 21372076), the Science Fund for Creative Research Groups (21421004), the Program of Introducing Talents of Discipline to Universities (B16017), and the Fundamental Research Funds for the Central Universities (222201717003).Further Information
Publication History
Received: 13 June 2018
Accepted after revision: 09 August 2018
Publication Date:
31 August 2018 (online)
Abstract
Two new cucurbituril members, one containing two equivalent cavities and the other having an active secondary amine group, were synthesized by condensation of propanediurea (2,4,6,8-tetraazabicyclo[3.3.1]nonane-3,7-dione) with formaldehyde. These two macrocycles exhibit excellent thermal stability, and their structures were confirmed by single-crystal X-ray diffraction, 1H NMR spectroscopy, and high-resolution mass spectrometry.
Supporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/s-0037-1610632.
- Supporting Information
Primary Data
- for this article are available online at https://doi.org/10.1055/s-0037-1610632 and can be cited using the following DOI: 10.4125/pd0101th.
- Primary Data
-
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