Sphingolipids and Glycerolipids. Part II. Syntheses of Two Pairs of Enantiomeric C18-Sphingosines and a Palmitoyl Analogue of Gaucher Spleen Glucocerebroside.
Sphingolipids and Glycerolipids. Part II. Syntheses of Two Pairs of Enantiomeric C18-Sphingosines and a Palmitoyl Analogue of Gaucher Spleen Glucocerebroside.
Atmospheric CO2 Fixation by Unsaturated Alcohols Using tBuOI under Neutral Conditions
作者:Satoshi Minakata、Itsuro Sasaki、Toshihiro Ide
DOI:10.1002/anie.200906352
日期:——
Hold on tight! Reaction of CO2 with unsaturatedalcohols and tBuOI to form cyclic carbonates leads to fixation of the greenhouse gas. In contrast to known CO2 fixation methods, this process proceeds under extremely mild conditions.
Palladium complexes catalyze the 1,4-addition of acetic acid to butadienemonoxide to give 4-hydroxybut-2-en-1-yl acetate. The highest 1,4-/1,2-addition selectivity of 18.9 was achieved. The reaction seems to proceed via a Wacker-like mechanism.