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1,6-Hexanediol and epichlorohydrin are reacted in the presence of a Lewis acid as catalyst to form a halohydrin: each hydroxyl group of the diol reacts with an epoxide on epichlorohydrin. This process is followed by washing with sodium hydroxide to re-form the epoxide rings in a dehydrochlorination reaction.
The all-trans double bond isomer (1E,4E,6E)-1,7-bis(4-hydroxyphenyl)-1,4,6-heptatrien-3-one was first fully characterised when isolated from extracts of the rhizomes of turmeric (Curcuma longa) in 1993. [5] It has subsequently been found in other species, including etlingera elatior. [2]
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (abbreviated BTMPS) is a hindered amine light stabilizer used to protect plastics and coatings such as paint from oxidation caused by weathering. like most compounds of this class, it's active form is an aminoxyl radical.
The View star and legal expert Sunny Hostin's husband, Dr. Emmanuel "Manny" Hostin, is among the nearly 200 people named in a new federal lawsuit that accuses the New York City doctor of insurance ...
The preparation of ALC-0315 was first described in a patent application to lipid nanoparticles by Acuitas Therapeutics in 2017. [6]: 137 The final step is a reductive amination reaction in which 4-aminobutanol is condensed with a lipid aldehyde, using sodium triacetoxyborohydride as the reducing agent to convert the intermediate imines to the amine of the product.
Dr. Thomas O’Brien and his wife Ruth Reardon O’Brien, the parents of late night comedian Conan O’Brien, have died three days apart. Thomas was 95 and Ruth was 92. The couple were married 66 ...
Druid: Daemons of the Mind is an action role-playing video game developed by British studio Synthetic Dimensions and published by Sir-Tech for MS-DOS. It was later ported to Microsoft Windows , PlayStation and Sega Saturn by Koei in Japan.
A Florida IHOP employee who was fired after serving a homeless man said she was offered her job back, according to local media. Victoria Hughes has worked at an IHOP restaurant in Lakeland, Fla ...