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The synthesis and anions complexation property of novel biscalixarene: dumbbell shaped biscalix[4]-1,3-aza-crown

✍ Scribed by Fafu Yang; Xiaohua Zheng; Hongyu Guo; Zhaohui Liu; Yu Guo


Book ID
106389124
Publisher
Springer Netherlands
Year
2008
Tongue
English
Weight
293 KB
Volume
62
Category
Article
ISSN
0923-0750

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A small variation in the vanadium reagent leads to a completely different product: The cyclooligomerization of phosphaalkynes 2 with tBuN=VCl β‹…DME (DME=1,2-dimethoxyethane) proceeds with incorporation of the imido fragment to give the azatetraphosphaquadricyclanes 1. In contrast, with the correspond