1) pyranone derivative
吡喃酮衍生物
1.
The chemical structure of a new pyranone derivative C_9H_(12)O_4 isolated recently from plant has been characterized by several NMR techniques and other spectral data.
利用Ｈ－ＨＣＯＳＹ和Ｃ－ＨＣＯＳＹ谱实现对~１Ｈ和~（１３）Ｃ谱的指认和归属；利用ＨＭ－ＢＣ谱确定分子的骨架；根据~１Ｈ－~１Ｈ标量偶合常数的大小推出相邻碳原子上质子的相对位置；并结合其它谱学数据，确定了从天然产物分离得到的吡喃酮衍生物Ｃ_９Ｈ_（１２）－Ｏ_４的化学结构并命名为２－（１’，２’－环氧丙烷基）－４－羟基－５－甲基－２－戊烯－５－酸内酯。
2) 2-Pyranone derivatives
2-吡喃酮衍生物
3) r-Pyrones
r-吡喃酮衍生物
4) chromen-2-one derivatives
苯并吡喃-2-酮衍生物
1.
Gel-forming properties of a novel class of chromen-2-one derivatives;
新型苯并吡喃-2-酮衍生物的凝胶化性能
5) Dihydropyrone derivatives
二氢吡喃酮衍生物
6) chromone derivative
苯并-γ-吡喃酮衍生物
1.
A new chromone derivative named as 5-dihydroxy-2-methyl-6-(3-methylbut-2-enyl)-4H-chromen-4-one(1),a novel cyclic tetrapeptide(2) and three cyclic dipeptides were isolated from the mangrove endophytic fungus ZZF41 from the South China Sea.
1个新的苯并-γ-吡喃酮衍生物,3,5-二羟基-2-甲基-6-(3-甲基-2-丁烯基)苯并-γ-吡喃酮(1),以及1个结构独特的环四肽(2)和3个环二肽,从南海红树林内生真菌ZZF41代谢产物中分离得到。
补充资料：α-D-吡喃(型)葡糖基-α-D-吡喃葡糖苷
CAS: 99-20-7
分子式: C12H22O11
分子量: 342.30
熔点: 214-216℃
中文名称: 蕈糖；海藻糖；α-D-吡喃(型)葡糖基-α-D-吡喃葡糖苷
英文名称: Trehalose;.alpha.-D-Glucopyranoside, .alpha.-D-glucopyranosyl;alpha-d-glucopyranoside, alpha-d-glucopyranosyl;d-trehalose anhydrous
分子式: C12H22O11
分子量: 342.30
熔点: 214-216℃
中文名称: 蕈糖；海藻糖；α-D-吡喃(型)葡糖基-α-D-吡喃葡糖苷
英文名称: Trehalose;.alpha.-D-Glucopyranoside, .alpha.-D-glucopyranosyl;alpha-d-glucopyranoside, alpha-d-glucopyranosyl;d-trehalose anhydrous
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条