以葡萄糖為例,生成糖脎的反應需用三分子的苯肼與一分子的糖進行反應。當苯肼用量為一摩爾時,得到苯腙。而後經互變異構發生1,4-消除,轉化為亞氨基酮,再與兩分子的苯肼成脎。
苯肼只和糖的C-1和C-2成脎後,分子內氫鍵使其形成較為穩定的六元環結構,從而糖的其他碳原子不再成脎。
Remove ads
參見
- 糖苷
- 糖化學
Remove ads
註釋
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
Remove ads