OVERBASED SALTS OF ALKYLATED PHENOL OLIGOMERS AS LUBRICANT ADDITIVES
A salt of a compound comprising an aromatic group linked to an acyclic isoprenoid moiety derived from 3 to 6 isoprenyl units. The salt may be used as a detergent in a lubricating composition, e.g. for an internal combustion engine, and in associated uses and methods.
-
Page/Page column 34
(2018/09/26)
OLEFINS AND METHODS FOR MAKING THE SAME
Provided herein are olefinic feedstocks derived from conjugated hydrocarbon terpenes (e.g., C10-C30 terpenes), methods for making the same, and methods for their use.
-
Page/Page column 78
(2012/11/06)
Stereocontrolled generation of the (2R) chroman core of vitamin E: Total synthesis of (2R,4'RS,8'RS)-α-tocopherol
(2R,4'RS,8'RS)-α-Tocopherol (1) was prepared using, as the two key steps, a novel diastereoselective TiCl4-promoted (S)-sulfoxide-directed allylation of ketal 2 with allyl trimethyl silane 3 to efficiently generate the challenging (2R) stereocenter of the
THE IDENTIFICATION OF 2,3-DIMETHYL-5-(2,6,10-TRIMETHYLUNDECYL)THIOPHENE, A NOVEL SULPHUR CONTAINING BIOLOGICAL MARKER
The identification of 2,3-dimethyl-5-(2,6,10-trimethylundecyl)thiophene as a major constituent of certain petroleums and sediment extracts was confirmed by synthesis of the standard.