추천 제품
![1,8-Diazabicyclo[5.4.0]undec-7-ene 98%](/deepweb/assets/sigmaaldrich/product/structures/120/564/5b373e23-1624-489c-8efb-692de0f96ffb/640/5b373e23-1624-489c-8efb-692de0f96ffb.png)
vapor density
5.45 (vs air)
Quality Level
vapor pressure
10 mmHg ( 67 °C)
분석
97%
양식
liquid
autoignition temp.
624 °F
expl. lim.
1.09 %, 87 °F
7.7 %, 127 °F
refractive index
n20/D 1.406 (lit.)
bp
182 °C (lit.)
mp
−56 °C (lit.)
density
0.954 g/mL at 25 °C (lit.)
작용기
anhydride
ester
SMILES string
CC(C)C(=O)OC(=O)C(C)C
InChI
1S/C8H14O3/c1-5(2)7(9)11-8(10)6(3)4/h5-6H,1-4H3
InChI key
LSACYLWPPQLVSM-UHFFFAOYSA-N
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관련 카테고리
일반 설명
The mechanism of esterification of 1-(1-naphthyl)ethanol by isobutyric anhydride with 4-pyrrolidinopyridine as catalyst was studied.
애플리케이션
Isobutyric anhydride was used in the synthesis of 4-O-isobutyryl derivative via reaction with octyl β-D-glucopyranoside in the presence of C2-symmetric chiral 4-pyrrolidinopyridine as a catalyst.
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Skin Corr. 1B
Storage Class Code
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Flash Point (°F)
154.4 °F - closed cup
Flash Point (°C)
68 °C - closed cup
개인 보호 장비
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
이미 열람한 고객
Evgeny Larionov et al.
Journal of the American Chemical Society, 134(22), 9390-9399 (2012-05-10)
The mechanism of esterification of the secondary alcohol 1-(1-naphthyl)ethanol 9 by isobutyric anhydride catalyzed by 4-pyrrolidinopyridine (PPY, 11) and a series of single enantiomer atropisomeric 4-dialkylaminopyridines 8a-g has been studied computationally at the B3LYP/6-311+G(d,p)//B3LYP/6-31G(d) level. Comparison of the levels of
Takeo Kawabata et al.
Journal of the American Chemical Society, 129(42), 12890-12895 (2007-10-02)
An organocatalytic method for the chemo- and regioselective acylation of monosaccharides has been developed. Treatment of octyl beta-D-glucopyranoside with isobutyric anhydride in the presence of 10 mol % of a C2-symmetric chiral 4-pyrrolidinopyridine catalyst (1) at -50 degrees C gave
Bin Wang et al.
Chemistry, an Asian journal, 10(8), 1690-1697 (2015-06-03)
Hyperbranched polyethylenimine terminated with isobutyramide groups (HPEI-IBAm), 4-(phenylazo)benzoic acid (PABA), and α-cyclodextrin (α-CD) were assembled together at pH≈7 to form the three-component supramolecular complexes that were verified by (1) H and 2D ROESY (1) H NMR spectroscopy. UV/Vis spectrometric titration experiments
Xiaoning Shan et al.
International journal of pharmaceutics, 590, 119884-119884 (2020-09-21)
Poly(2-methyl-2-oxazoline) (PMOZ), poly(2-propyl-2-oxazoline) (PnPOZ) and poly(2-isopropyl-2-oxazoline) (PiPOZ) were synthesized by hydrolysis of 50 kDa poly(2-ethyl-2-oxazoline) (PEOZ) and subsequent reaction of the resulting poly(ethylene imine) with acetic, butyric and isobutyric anhydrides, respectively. These polymers were characterized by proton nuclear magnetic resonance, FTIR
Rosamaria Capuano et al.
Bio-protocol, 7(23), e2642-e2642 (2017-12-05)
Human induced pluripotent stem cells (hiPSCs) are a promising tool in cell-based therapies for degenerative diseases. A safe application of hiPSCs in vivo, requires the detection of the presence of residual undifferentiated pluripotent cells that can potentially cause the insurgence
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