人妻一区二区中文字幕在线-大肉棒抽插小嫩穴视频免费-国产福利萌白酱视频资源福利-最新国产主播一区二区-伊人五月天婷婷成人-色av中文字幕在线-美女打开小穴让男生操的视频-国产又长又粗又长又爽毛片-人人妻人人澡人人爽欧美三区

SiliaBond Carbonate (CO3) (R66030B)

SiliaBond^?Carbonate (Si–CO₃) is the silica bound equivalent of tetramethyl ammonium carbonate. It can be used as a general base to quench a reaction, to free base amines in their ammonium salt form and to scavenge acids and acidic phenols, including HOBt, which is widely used in amide coupling reactions.

SiliaBondCarbonate 在清除硼酸方面也非常有效：在室溫下 1 小時后，在 DCM 中加入一當(dāng)量的苯硼酸可去除 99%。Si-CO₃可以在室溫下使用4當(dāng)量定量游離堿鹽酸鹽麻黃堿（通過^{1 H NMR確定100％收率）兩小時}