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Synthesis 1990; 1990(3): 249-252
DOI: 10.1055/s-1990-26845
DOI: 10.1055/s-1990-26845
paper
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Ein neuer Zugang zu Spiroorthocarbonaten und neuen Orthokohlensäure-Derivaten
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Publication History
Publication Date:
17 September 2002 (online)
A New Approach to Spiroorthocarbonates and New Orthocarbonic Acid Derivatives New and simple processes have been developed, which give in good or excellent yields new diphenoxyalkanediyldioxymethanes, symmetrical and unsymmetrical spiroorthocarbonates, spirocyclic orthothiocarbamic acid esters, and acetals of urea by successive or simultaneous substitution of chloro and phenoxy groups contained in dichlorodiphenoxymethane.