alder

alder

英 ['ɔːldə]
　　美 ['ɔldɚ]

n. [林] 榿木

中文詞源：

alder 榿木

來自PIE *el, 樹名。

例句：

1. Modification for synthetic purposes on the Diels - Alder adducts 56 and 62 has only rarely been considered.
為瞭達到合成的目的,對Diels-Alder加 成物(56)和(62)加以改造的問題很少有人考慮.

2. Diels — Alder reaction is one of the important research content in the fields of organic chemistry.
Diels—Alder反應是目前有機化學領域重要研究內容之一.

3. Activated olefinic bond Amine, thiol radical initiator, cationic initiator, dienes ( Diels - alder reactive ).
活性烯鍵胺, 巰基,引發劑, 陽離子引發劑, 烯烴 ( 的Diels-Alder反應 ).

4. They were principally used to catalyze aldol, allylation, Diels - Alder, ene and Friedel - Crafts reactions.
它們主要被用來催化Aldol, 烯丙基化, Diels-Alder, Ene和 Friedel -Crafts等反應.

5. Diels - Alder reaction of 2 - merhylene - 1 - pheny 1 - 1.3 - butanedione catalysed by zinc chloride as lewis acid with 1.3 - cylcopentadiene was reported.
以氯化鋅為路易斯酸催化劑,探討瞭2 ─ 亞甲基─1 ─ 苯基 ─ 1.3 ─ 丁二酮與1.3 ─ 環戊二烯的Diels─Alder反應.