210145

2,2-Dimethyl-1,3-dioxane-4,6-dione

98%

• 동의어(들): Malonic acid cyclic isopropylidene ester, Meldrum’s acid, cycl-Isopropylidene malonate
• 실험식(Hill 표기법): C₆H₈O₄
• CAS Number: 2033-24-1
• Molecular Weight: 144.13
• Beilstein: 117310
• EC Number: 217-992-8
• MDL number: MFCD00006638
• UNSPSC 코드: 12352100
• PubChem Substance ID: 24852618
• NACRES: NA.22

속성

• Quality Level: 200
• 분석: 98%
• 형태: solid
• mp: 92-96 °C (lit.)
• solubility: dioxane: soluble 5%, clear to very slightly hazy, colorless to faintly yellow
• 작용기: ester; ketal
• 저장 온도: 2-8°C
• SMILES string: CC1(C)OC(=O)CC(=O)O1
• InChI: 1S/C6H8O4/c1-6(2)9-4(7)3-5(8)10-6/h3H2,1-2H3
• InChI key: GXHFUVWIGNLZSC-UHFFFAOYSA-N

설명

일반 설명

2,2-Dimethyl-1,3-dioxane-4,6-dione (Meldrum′s acid) is widely used in organic synthesis, especially for multiple C-C bond formations due to its adequate acidity (pK_a 4.83) and steric rigidity. Knoevenagel condensation reaction between aldehydes and Meldrum′s acid are accelerated in ionic liquids.

Meldrum′s acid is used as a valuable starting material to synthesize heterocycles and as intermediates in organic synthesis reactions.

애플리케이션

2,2-Dimethyl-1,3-dioxane-4,6-dione was used in the synthesis of:

• macrocyclic β-keto lactone
• 4-pyridyl-substituted heterocycles
• 2-substituted indoles
• isofraxidin.

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: Eyeshields, Gloves, type N95 (US)