A novel method of synthesis of 1,2-diketones from 1,2-diols using N-bromosuccinimide
作者:Jitender M Khurana、Bhaskar M Kandpal
DOI:10.1016/s0040-4039(03)01075-x
日期:2003.6
A simple and convenient procedure is reported for the synthesis of benzils and aliphatic 1,2-diketones of cyclic and open chain compounds from corresponding hydrobenzoins and 1,2-diols by refluxing with N-bromosuccinimide in carbon tetrachloride in presence or absence of pyridine.
COSMETIC, EXTERNAL SKIN PREPARATION, AND MEDICAL INSTRUMENT
申请人:Iwama Takehisa
公开号:US20120258059A1
公开(公告)日:2012-10-11
It is an object of the present invention to provide a cosmetic or external skin preparation that has an improved feel in use, e.g., excellent stretching on the skin surface, excellent permeation into the skin, and no stickiness, or crinkles. A cosmetic or an external skin preparation, and a medical instrument, comprising at least one lipid peptide-based gelator that contains a low-molecular lipid peptide of Formula (1):
(where R
1
to R
3
are independently an organic group) or a pharmaceutically usable salt thereof.
Composition for cosmetics and cosmetics comprising same
申请人:AJINOMOTO CO., INC
公开号:US10786437B2
公开(公告)日:2020-09-29
Compositions for cosmetics containing (A) one or more kinds of N-mono long-chain acyl basic amino acids, and (B) one or more kinds of N-mono middle-chain acyl basic amino acids, and compositions for cosmetics further containing (C) an inorganic powder, provide cosmetics that give, on application, a comfortable silky feeling and, to the skin after application, a natural translucency, good luminous finish and a uniform feeling of the skin surface, and have adhesiveness to the skin and high covering power.
Pharmaceutical compositions for sparingly soluble therapeutic agents
申请人:Posanski Ulrich
公开号:US20050048087A1
公开(公告)日:2005-03-03
The invention relates to pharmaceutical compositions for sparingly soluble therapeutic agents as well as to a process for the preparation of such compositions. The solubiliser is polyglycerol fatty acid ester or sorbitan fatty acid ester in combination with lipophilic excipients and nonionic surfactants.
Coupling agents for mineral-filled elastomer compositions
申请人:Cruse W. Richard
公开号:US20060217475A1
公开(公告)日:2006-09-28
A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.