對香豆酸(英語:p-Coumaric acid或稱為4-羥基肉桂酸4-Hydroxycinnamic acids)是一種羥基肉桂酸,其羥基在苯環上位置不同而形成的同分異構體包括鄰香豆酸(o-Coumaric acid)和間香豆酸(m-Coumaric acid),對香豆酸是三者中在自然界分佈最多的。對香豆酸可根據碳碳雙鍵的構象不同分為順反兩種異構體。
p-Coumaric acid | |
---|---|
IUPAC名 (2E)-3-(4-Hydroxyphenyl)prop-2-enoic acid | |
別名 | (E)-3-(4-Hydroxyphenyl)-2-propenoic acid (E)-3-(4-Hydroxyphenyl)acrylic acid para-Coumaric acid 4-Hydroxycinnamic acid β-(4-Hydroxyphenyl)acrylic acid |
識別 | |
CAS號 | 501-98-4 |
PubChem | 637542 |
ChemSpider | 553148 |
SMILES |
|
InChI |
|
Beilstein | 2207383 |
Gmelin | 2245630 |
EINECS | 231-000-0 |
ChEBI | 32374 |
DrugBank | DB04066 |
KEGG | C00811 |
IUPHAR配體 | 5787 |
性質 | |
化學式 | C9H8O3 |
摩爾質量 | 164.16 g·mol−1 |
熔點 | 214 °C(487 K)(分解)[1] |
危險性 | |
GHS危險性符號 | |
GHS提示詞 | Danger |
H-術語 | H301, H302, H311, H314, H315, H317, H319, H335 |
P-術語 | P260, P261, P264, P270, P271, P272, P280, P301+310, P301+312, P301+330+331, P302+352, P303+361+353, P304+340, P305+351+338 |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
對香豆酸常溫常壓下為白色結晶狀固體,微溶於水,易溶於乙醇和乙醚,可在閉苞買麻藤(學名:Gnetum cleistostachyum)中發現[2]。
參考文獻
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