Add time:07/15/2019         Source:sciencedirect.com

The new functionalized hydroxymethylphosphonic and methylenediphosphonic acids are synthesized via unique reaction of tris(trimethylsilyl) phosphite and N-formyl N-heterocycles, N-substituted 4-piperidones, 3-quinuclidone, and 2-adamantanone at the presence of effective catalyst – trimethylsilyl triflate under mild conditions.

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