Effects of phenylsulfonyl and t - butylsulfonyl on the reduction of P - sulfonyl alcohol derivatives with Na - Hg were compared.
比较砜基和脂肪砜基对钠-汞β-砜基醇衍生物反应的影响。
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This huge aromatic family, of about 3,700 species spread over 400 genera, has some high profile members that you might have in your kitchen right now: Celery, carrots, dill, fennel, coriander, cumin and caraway, to name a few.
这个芳庞大的家约有 3,700 个物,分布在 400 多个属中,其中些引人注目的成员现在可能就出现在您的厨房中:芹菜、胡萝卜、莳萝、茴、菜、小茴和菜等。