1, 3-butadiynes, also known as the conjugated diynes, are important structures with rigid full-carbon
sketch, and they have been found to exist widely in nature from the marine organisms to the interstellar space.
Besides the special physiological activities, diynes have also been found to be crucial in material science. This
review will focus on the synthesis of diynes, and more importantly, their existence and bioactivities, as well as
their applications and further developing trends.
Keywords: Butadiynylene, cadiot-chodkiewicz coupling, carbyne, diyne, glaser-hay coupling, interstellar molecule, material,
natural product, synthesis.
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