Pyrazolo[3,4-<i>d</i>]pyrimidinophanes: Convenient Synthesis of a New Class of Cyclophane and X-ray Structure of the First Representative
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A convenient synthesis of a new class of novel pyrazolo[3,4-d]pyrimidinophanes (four products, 41%), a new class of cyclophane, and X-ray structure of the first dissymmetrical [3.4]pyrazolo[3,4-d]pyrimidinophane (22%) are reported for the first time. The conformation of major syn product 6b is stabilized by weak π−π and O···Ar interactions.
创建时间：
2016-02-25
