为解决 CO? 化学固定问题，研究人员以 4 - 二甲氨基吡啶（DMAP）和 3 - 溴丙胺氢溴酸盐（BPA?HBr）为原料，在乙腈和乙醇中按不同摩尔比制备三种胺 tethered DMAP 阳离子溴化物催化剂，用于 CO? 与环氧苯乙烷和环氧丙烷环加成。该体系在 80°C、0.2 MPa 无金属溶剂条件下，以良好至优异收率和高选择性合成 ...

对此，作者提出了使用TBAI-DMAP加合物作为催化剂，促使白磷与弱亲核试剂六氟异丙醇电氧化产生亲电性的磷转移试剂亚磷酸三六氟异丙醇酯（3-1 ...

This protocol describes the synthesis of cyclic anhydride precursors of the environment-sensitive fluorophores 4-dimethylaminophthalimide (4-DMAP) and 6-dimethylaminonaphthalimide (6-DMN). The ...

THE Digital Marketing Association of the Philippines (DMAP) recently held its first general membership meeting, charting its vision for 2025 through collaboration, inclusivity and co-creation ...

The DMAP team has started to upgrade the 10/100/1000 MAC product to a DO-254 DAL A level, including fault-tolerant techniques to ensure enough robustness for mil-aero safety-critical systems. “For ...

Aug. 12—Pennsylvania's Deer Management Assistance Program (DMAP) is available on some state game lands for the first time in the 2023-24 hunting seasons. Through DMAP, hunters can get permits ...

DMAP’s DigiCon R EVOLUTION 2024 is sponsored by Unionbank of the Philippines, Unilever, Blis, KFC, Anymind Philippines, and in partnership with Dentsu Creative Philippines, HIT Productions, and ...

Combined, there are 7,000 tags available across 360,014 acres. DMAP permits for state game lands and other public and private properties enrolled in the program go on sale Monday, Aug. 12, at 8 a.m.