Ying-Qi Zhang
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Skeletal restructuring of oxetanes through photoinduced oxygen deletion
Abstract Deleting an atom from a heterocycle to reduce ring size or remodel the skeleton represents a unique approach to navigate untapped regions of the chemical space. However, compared with well-established nitrogen-deletion manifolds, the precise recognition and excision of an oxygen atom from a functionalized cyclic ether remains challenging. Here we report a catalyst-free photoinduced oxygen deletion strategy that achieves highly chemo- and regioselective restructuring of oxetanes.
Selective 1,2‐Hydroarylation(Alkenylation) of gem‐Difluoroalkenes to Access (−CF2H) Motifs
Conflict of interest The authors declare no conflict of interest. Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.
How much of the superolateral femoral neck should be removed in intramedullary nail fixation for intertrochanteric fracture?
Purpose The objective of this study was to measure how much of the superolateral femoral neck should be removed to reduce the incidence of wedge effect. Methods Simulating Surgery: Computed Tomography images of 131 intertrochanteric fracture patients were included, three-dimensionally reconstructed, virtually reduced and implanted with PFNA-Ⅱ nail. The antero-posterior length and media-lateral width of the intersection between superolateral femoral neck and PFNA-Ⅱ nail were measured.
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