...An ionic reaction in which the reactive site of the substrate that is attacked by the reagent is electron-deficient (formally positively charged), and a negatively charged ionic species or a reagent with an unshared electron pair donates electrons to the substrate. It is also called a nucleophilic reaction or an anionoid reaction. An electron-donating reagent that acts as a Lewis base is called a nucleophile (nucleophilic reagent). The main nucleophilic reagents are shown in the table below. ... *Some of the terminology explanations that mention "S(■1)2" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…イオン反応のうちで,試薬の攻撃を受ける基質の反応部位が電子不足の(形式的には正電荷を帯びた)状態にあり,負電荷をもつイオン種または非共有電子対をもつ試薬が基質に電子を与えるような反応をいう。親核反応,アニオノイド反応anionoid reactionと呼ばれたこともある。ルイス塩基として働く電子供与性試薬は求核試薬nucleophile(nucleophilic reagent)と呼ばれる。おもな求核試薬を表に示す。… ※「S(■1)2」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
…In other words, if the area can be sampled, a co...
…In the Greek city-states of Sicily, the populati...
She was the 10th daughter of Emperor Murakami, an...
A diary by Matsuo Basho in the early Edo period. O...
A city in southwestern Finland. Located on the we...
A type of national tax levied when assets are rev...
A castaway who returned from Russia in the late E...
Sentence completion technique: A method in psychol...
It is also called the Onari Highway. It was constr...
…Krit lawang (a strong-smelling bark like a clove...
In 1791, the plant was named dahlia in honor of t...
…The subfamily Passerinae includes sparrows and h...
Year of death: September 23, 1790 (October 30, 179...
...In France, where salon culture was founded, un...
...The survey for (1) was carried out from Barcel...