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品質等級
化驗
≥99.0% (HPLC)
形狀
solid
mp
>300 °C (lit.)
SMILES 字串
OC1=C(O)C(=O)C1=O
InChI
1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChI 密鑰
PWEBUXCTKOWPCW-UHFFFAOYSA-N
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一般說明
3,4-二羟基-3-环丁烯-1,2-二酮，俗称方酸，广泛用于生物有机和药物化学。它是乙二醛酶、 semiqauric acid 、丙酮酸脱氢酶和转酮醇酶的抑制剂。 它可用作SH2结构域的肽配体中磷酸盐的替代物。它的衍生物是兴奋性氨基酸受体的高亲和力配体。这些衍生物也可用作小生物分子荧光检测用染料。
應用
3,4-二羟基-3-环丁烯-1,2-二酮可用于：
- 免疫分析、杂交分析、酶促反应和其他分析过程中的荧光检测。
- 形成衍射级晶体。
- 合成方酸（squaate）二价阴离子，其可用作构建不带电聚合物网络的结构单元。这些有序的结构可用于催化、非线性光学、电导、分子识别和分子筛。
訊號詞
Danger
危險聲明
危險分類
Eye Dam. 1 - Skin Corr. 1B
儲存類別代碼
8A - Combustible corrosive hazardous materials
水污染物質分類（WGK）
WGK 3
閃點（°F）
374.0 °F
閃點（°C）
190 °C
個人防護裝備
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Tetrahedron Letters, 48, 3595-3595 (2007)
Jian Xie et al.
Organic letters, 6(1), 83-86 (2004-01-03)
[structure: see text] Protein tyrosine phosphatases (PTPases) are important targets in medicinal chemistry. These enzymes play a role in a number of human diseases, including type II diabetes and infection by Yersinia pestis, the causative agent of bubonic plague. Derivatives
Synthesis, spectral properties, and detection limits of reactive squaraine dyes, a new class of diode laser compatible fluorescent protein labels
Oswald et al.
Bioconjugate chemistry, 11(3), 438-438 (2000-05-23)
Igor Bensemann et al.
Organic & biomolecular chemistry, 1(8), 1425-1434 (2003-08-22)
The preparation and crystal structures of fourteen complexes of N,N'-bis(2-pyridyl)aryldiamines with dicarboxylic acids and two complexes with squaric acid are reported. The recognition between the carboxylic acids and the 2-aminopyridine units occurs through the formation of the cyclic R(2)2 (8)
Construction of a 3D array of cadmium (ii) using squarate as a building block.
Maji, Tapas Kumar, et al.
CrystEngComm, 155-158 (2001)
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