Results In the course of ai1 investigation of the reactivity of trimethylsilyl iodide (3) with various functional groups, it was found that aldehyde iodohydrin trimethylsilyl ethers (4) are readily formed from aldehydes 2 by reaction with 3 at room temperature under an inert atmosphere.* Although attempted isolation of the iodo silyl ethers (4) by distillation or silica gel