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METHOD FOR PURIFYING HORNER-WADSWORTH-EMMONS REAGENT例文帳に追加

ホーナー・ワズワース・エモンズ試薬の精製方法 - 特許庁

To provide a method for purifying a Horner-Wadsworth-Emmons (HWE) reagent, by which pyrophosphates contained in the HWE reagent in extremely fine amounts can selectively and efficiently be removed without causing decomposition or degeneration of the HWE reagent.例文帳に追加

ＨＷＥ試薬中に極微量に含まれるピロリン酸エステル類を、ＨＷＥ試薬の分解や変性を起こすことなく選択的かつ効果的に除去する。 - 特許庁

This stereoselective method for producing E-trisubstituted halogenated olefins (I), wherein R1 denotes an alkyl group, an alkenyl group, an aryl group, an aralkyl group or a heteroaryl group; R2 denotes an alkyl group or an aralkyl group; and X denotes a halogen atom is characterized by reacting an aldehyde compound (II) with a Horner-Emmons reagent (III).例文帳に追加

アルデヒド化合物（ＩＩ）をホーナー・エモンス試薬（ＩＩＩ）と反応させることを特徴とするＥ−三置換ハロゲン化オレフィン類（Ｉ）の立体選択的な製法。 - 特許庁