Shimin Jiang , Ruchun Yang , Xian‐Rong Song , Qiang Xiao
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Recent Advances in the Cascade Cyclization of Alkyne Units for the Construction of Benzofluorenes
Benzofluorenes are an important class of polycyclic aromatic hydrocarbons (PAHs), which are widely used in materials science for light‐sensitive electronic components. In addition, the benzofluorene skeleton also serves as a key structural unit in various natural products. Therefore, the development of synthetic strategies for the construction of benzofluorenes has been a prominent research topic in synthetic chemistry. Over the past few decades, numerous efforts have been made for the construction of benzofluorenes via cascade cyclization of alkyne units. This review aims to summarize recent advances in the cascade cyclization of alkyne units for the construction of Based on the different reaction mechanisms underlying these transformations, this review can be divided into four categories: (1) thermal‐induced cascade cyclization of alkyne units for the construction of benzofluorenes, (2) metal‐catalyzed cascade cyclization of alkyne units for the construction of benzofluorenes, (3) acid‐promoted/catalyzed cyclization of alkyne units for the construction of benzofluorenes, and (4) base‐promoted cascade cyclization of alkyne units for the construction of benzofluorenes.
期刊介绍:
Advanced Synthesis & Catalysis (ASC) is the leading primary journal in organic, organometallic, and applied chemistry.
The high impact of ASC can be attributed to the unique focus of the journal, which publishes exciting new results from academic and industrial labs on efficient, practical, and environmentally friendly organic synthesis. While homogeneous, heterogeneous, organic, and enzyme catalysis are key technologies to achieve green synthesis, significant contributions to the same goal by synthesis design, reaction techniques, flow chemistry, and continuous processing, multiphase catalysis, green solvents, catalyst immobilization, and recycling, separation science, and process development are also featured in ASC. The Aims and Scope can be found in the Notice to Authors or on the first page of the table of contents in every issue.