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质量水平
方案
98%
表单
liquid
折射率
n20/D 1.509 (lit.)
沸点
95 °C/0.1 mmHg (lit.)
密度
1.15 g/mL at 25 °C (lit.)
官能团
ether
ketone
SMILES字符串
CCOC1=C(OCC)C(=O)C1=O
InChI
1S/C8H10O4/c1-3-11-7-5(9)6(10)8(7)12-4-2/h3-4H2,1-2H3
InChI key
DFSFLZCLKYZYRD-UHFFFAOYSA-N
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一般描述
3,4-二乙氧基-3-环丁烯-1,2-二酮(方酸二乙酯)与糖胺(通过还原低聚糖形成)的反应已被研究。所形成的衍生物与氨基官能化的脂质、固体或蛋白相连。
应用
3,4-二乙氧基-3-环丁烯-1,2-二酮可用作合成呋喃酮和醌的起始材料。它会经过胺和不饱和有机硅烷的乙氧基取代。
警示用语:
Danger
危险分类
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
靶器官
Respiratory system
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
230.0 °F - closed cup
闪点(°C)
110 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
The Journal of Organic Chemistry, 59, 4707-4707 (1994)
Carbohydrate research, 319(1-4), 80-91 (1999-10-16)
Reducing oligosaccharides were converted into their corresponding glycosylamines, and these were reacted with 3,4-diethoxy-3-cyclobuten-1,2-dione (squaric acid diethyl ester). The resulting derivatives could be linked to amino-functionalized lipids, solids, or proteins. Treatment of the obtained lipid or solid conjugates with aqueous
Vaccines, 8(3) (2020-09-23)
The carbohydrate antigen dimeric Lewis X (DimLex), which accumulates in colonic and liver adenocarcinomas, is a valuable target to develop anti-cancer therapeutics. Using the native DimLex antigen as a vaccine would elicit an autoimmune response against the Lex antigen found
Journal of medicinal chemistry, 35(25), 4720-4726 (1992-12-21)
In this report, a novel bioisostere of the alpha-amino acid, 3,4-diamino-3-cyclobutene-1,2-dione, has been incorporated into a series of compounds which are NMDA antagonists. These compounds, which are achiral and easily prepared, demonstrated good affinity at the NMDA receptor by their
Organic Syntheses, 69, 220-220 (1990)
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