The boron compound and iodine source are combined with reactants of a fluoroalcohol and an alkylene oxide in the presence of a base.
所述含硼化合物和碘源在碱的存在下与氟代醇反应物和环氧烷烃反应物混合。
The synthesis of the first two arylenealkyne conjugated macrocycles containing long alkylene bridge via Glaser coupling of template-directed tetraacetylenes was reported.
采用模板导向法高产率地合成了两个含长链亚烷基桥的芳炔类共轭大环。
The invention discloses a high-activity catalyst which catalyzing and activating carbon dioxide to perform the copolymerization reaction with alkylene oxide to synthesize polycarbonate.
本发明公开了一种通过催化活化二氧化碳与环氧烷烃共聚反应合成聚碳酸酯的高活性催化剂。
Multi-hydroxyl polymer, CXC-1, as an anti-sloughing agent for water base drilling fluids, is a yellowish liquid and is prepared by polymerization of alkylene oxides and polyhydroxylated compounds.
多羟基聚合物防塌剂CXC-1是以环氧化物及多羟基化合物共聚而成的聚合物防塌剂，为淡黄色黏稠液体。
Multi-hydroxyl polymer, CXC-1, as an anti-sloughing agent for water base drilling fluids, is a yellowish liquid and is prepared by polymerization of alkylene oxides and polyhydroxylated compounds.
多羟基聚合物防塌剂CXC-1是以环氧化物及多羟基化合物共聚而成的聚合物防塌剂，为淡黄色黏稠液体。
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