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Green chemical synthesis of α-hydroxyphosphonatesKeywords: α -Hydroxyphosphonates , piperazine , grinding , diethylphosphite , green process. Abstract: A green and efficient method for the preparation of α-hydroxyphosphonates (3a-n) in minutes of time with high yields is accomplished by grinding the mixture of various aldehydes (1a-n) and diethylphosphite (2) at room temperature under solvent free conditions in presence of piperazine as catalyst.
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