Triphenylphosphine → N-tert-butyl-3-hydroxymethyl-3-nitroazetidine hydrochloride

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Reaction Steps

The product of example 2 was ring closed by dissolving 0.243 g (1 mmol) of the product in 10 ml of tetrahydrofuran (THF) and 0.262 g (1 mmol) of triphenylphosphine at room temperature. Diethylazodicarboxylate (0.174 g, 1 mmol) was slowly added dropwise. Color instantly appeared and a white solid precipitated. The solid was filtered from the solution and dried to yield a product (70% of theoretical yield) of 3-hydroxymethyl-3-nitro-1-tertiarybutylazetidine hydrochloride as determined by 1H-nmr.

Provenance & Evidence