Mineral Oil/Methanol: A Cheap Biphasic Reaction Medium with Thermomorphic Properties and Its Application to the Palladium-Catalyzed Carbonylation of Nitrobenzene to Methyl Phenylcarbamate
作者:Francesco Ferretti、Emma Gallo、Fabio Ragaini
DOI:10.1002/cctc.201500452
日期:2015.7.13
We developed the methanol/mineral oil system as a new thermomorphicsolvent mixture that allows homogeneous catalyst recovery without the use of water or fluorinated solvents. Mineral oil (nujol) is cheap and shows a very limited miscibility with methanol at room temperature but becomes completely miscible at high temperatures. Here we report the synthesis of some phenanthrolines substituted with long‐chain
MONOMERIC, OLIGOMERIC AND POLYMERIC SEMICONDUCTORS CONTAINING FUSED RINGS AND THEIR DEVICES
申请人:LI Yuning
公开号:US20150295179A1
公开(公告)日:2015-10-15
The present invention describes the monomeric, oligomeric and polymeric materials comprising a fused-ring moiety, which can be used as organic semiconductors for use in electronic, optical, or optoelectronic devices such as organic thin film transistors and organic photovoltaics.
Compositions for transfection of oligonucleotides active for gene silencing and their biological and therapeutical applications
申请人:Polyplus-Transfection SA
公开号:EP1844772A1
公开(公告)日:2007-10-17
The invention relates the compositions of transfection comprising an oligonucleotide active for RNA interference and an amphiphilic cationic molecule of formula (I)
wherein
- X is N-R1, S or 0, R1 being a C1-C4 alkyl radical or an hydroxylated C3- C6 alkyl radical,
- R2 and R3, identical or different, represent H or a C1-C4 alkyl radical, or R2 and R3 are linked together to form a cycle or a heterocycle having 6 elements,
- E is a C1-C5 alkyl spacer,
- R4 and R5, identical or different, represent saturated or unsaturated, linear or branched, C10-C36 hydrocarbon or fluorocarbon chains, optionally comprising C3-C6 cycloalkyle,
- A- is a biocompatible anion.
Use of said compositions as drugs.
The disclosure relates to di-aliphatic substituted PEGylated lipids and to methods of their preparation. The disclosure also relates to lipid conjugates containing di-aliphatic substituted PEGylated lipids, and to the use of di-aliphatic substituted PEGylated-lipid conjugates in drug delivery.