Lactones | 食品添加物合法業者資訊網

內酯（英文：Lactone）即環狀的酯，由一化合物中的羥基和羧基發生分子內縮合環化得到。內酯以五元（γ-內酯）及六元（δ-內酯）環內酯最為穩定，環內的角 ... Read More

Lactones are cyclic carboxylic esters, containing a 1-oxacycloalkan-2-one structure (−C(=O)−O−), or analogues having unsaturation or heteroatoms replacing ... Read More

2016年7月14日 — New synthesis of jasmine lactone and related. delta.-lactones from 1, 2-​cyclohexanedione. Preparation and dye-sensitized photooxygenation of 3 ... Read More

Lactone, any of a class of cyclic organic esters, usually formed by reaction of a carboxylic acid group with a hydroxyl group or halogen atom present in the same​ ... Read More

Lactones are cyclic esters of organic acids. It is a condensation product of an alcohol group and a carboxylic acid group in the same molecule of hydroxycarbonic ... Read More

Lactones are cyclic esters of organic acids. It is a condensation product of an alcohol group and a carboxylic acid group in the same molecule of hydroxycarbonic ... Read More

Results 1 - 30 of 283 — α-Angelica lactone. Synonyms: 4-Hydroxy-3-pentenoic acid γ-lactone, 5-Methyl-2​(3H)-furanone. CAS Number: 591-12-8. Molecular Weight:. Read More

由 A Janas 著作 · 2019 · 被引用 23 次 — Classical macrolides containing 14- or 15-membered aglycone lactone rings are basic and widely used antibacterial agents in clinical therapy. Read More