추천 제품
Quality Level
분석
99%
형태
crystals
bp
142 °C/8 mmHg (lit.)
mp
116-119 °C
작용기
ester
저장 온도
2-8°C
SMILES string
CC1OC(=O)C(C)OC1=O
InChI
1S/C6H8O4/c1-3-5(7)10-4(2)6(8)9-3/h3-4H,1-2H3
InChI key
JJTUDXZGHPGLLC-UHFFFAOYSA-N
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관련 카테고리
일반 설명
3,6-Dimethyl-1,4-dioxane-2,5-dione (or rac-lactide), is the 50:50 racemic mixture of D- and L-Lactide. Rac-lactide is a lactone derived from lactic acid that has attracted great interest in academia and commercial applications, as it is derived from abundant renewable resources. Rac-lactide can be ready polymerized via ring-opening polymerization, using a variety of metal or organocatalysts, yielding poly(D,L-lactide). While the resulting polymer is generally amorphous, the use of stereospecific catalysts can lead to heterotactic PLA, which exhibits some degree of crystallinity.
애플리케이션
3,6-Dimethyl-1,4-dioxane-2,5-dione can be used as a reactant:
- To synthesize multi-block copolymers of polylactide and polycarbonate.
- In the aluminum-catalyzed polymerization of propene oxide, lactide, and phthalic anhydride to produce multi-block polyesters.
신호어
Warning
유해 및 위험 성명서
Hazard Classifications
Eye Irrit. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
dust mask type N95 (US), Eyeshields, Gloves
이미 열람한 고객
Insun Yu et al.
Journal of the American Chemical Society, 134(30), 12758-12773 (2012-07-07)
A family of racemic and enantiopure indium complexes 1-11 bearing bulky chiral diaminoaryloxy ligands, H(NNO(R)), were synthesized and fully characterized. Investigation of both the mono- and the bis-alkoxy-bridged complexes [(NNO(R))InX](2)[μ-Y][μ-OEt] (5, R = (t)Bu, X = Y = Cl; 8
Kimberly M Osten et al.
Dalton transactions (Cambridge, England : 2003), 41(26), 8123-8134 (2012-04-07)
Functionalized diaminophenols, H(N(R1R2)N(R3)O), were investigated as ligands for indium catalysts in the ring-opening polymerization of racemic lactide. Precursor complexes (N(Me2)N(Me)O)InCl(2) (1), (N(Pr2)NO)InCl(2) (2), and (N(Mes)NO)InCl(2) (3) were synthesized and fully characterized by (1)H and (13)C NMR spectroscopy, elemental analysis, and
Vibrational Optical Activity of (3 S, 6 S)-3, 6-Dimethyl-1, 4-dioxane-2, 5-dione.
Tam CN, et al.
Journal of the American Chemical Society, 118(42), 10285-10293 (1996)
Lu Qin et al.
Dalton transactions (Cambridge, England : 2003), 48(32), 12315-12325 (2019-07-26)
In this paper we report a series of Al(iii) complexes supported by N,O-bidentate β-pyrazyl functionalized enolate ligands HL1-HL5 (L = (6-Me-2,5-C4H2N2)-CH[double bond, length as m-dash]C(R)-O-), (R = tBu, Ph, p-tolyl, p-OMePh, o-tolyl) and their exploitation for the ring-opening polymerization of
Tetrahedron Letters, 47, 6517-6517 (2006)
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