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{[K.18-Crown-6]Br3}n：A tribromide catalyst for the catalytic protection of amines and alcohols（图）
{[K.18-Crown-6]Br3}n Trimethylsilylation Tetrahydropyranylation Alcohol Organic tribromide N-boc protection of amine
2013/9/25
{[K.18-Crown-6]Br3}n, a unique tribromide-type catalyst, was utilized for the N-boc protection of amines and trimethylsilylation (TMS) and tetrahydropyranylation (THP) of alcohols. The method is gener...
Protection of Hydroxyl Groups as a Trimethylsilyl Ether by 1,1,1,3,3,3-Hexamethyldisilazane Promoted by Aspartic Acid as an Efficient Organocatalyst（图）
alcohol phenol 1,1,1,3,3,3-hexamethyldisilazane trimethylsilylation protection
2013/10/14
A wide variety of alcohols and phenols were protected as trimethylsilyl ethers using 1,1,1,3,3,3-hexamethyl disilazane catalyzed by aspartic acid as a non-toxic, metal-free, and green organocatalyst a...