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DABCO (1,4-diazabicyclo[2.2.2]octane), also known as triethylenediamine or TEDA, is a bicyclic organic compound with the formula N 2 (C 2 H 4) 3. This colorless solid is a highly nucleophilic tertiary amine base , which is used as a catalyst and reagent in polymerization and organic synthesis .
These adducts, e.g. the complex with the tertiary amine DABCO, are safer to handle than TMA itself. [ 12 ] The NASA ATREX mission ( Anomalous Transport Rocket Experiment ) employed the white smoke that TMA forms on air contact to study the high altitude jet stream.
Electrophilic fluorinating reagents could in principle operate by electron transfer pathways or an S N 2 attack at fluorine. This distinction has not been decided. [2] By using a charge-spin separated probe, [3] it was possible to show that the electrophilic fluorination of stilbenes with Selectfluor proceeds through an SET/fluorine atom transfer mechanism.
Sigma Advanced Genetic Engineering (SAGE) Labs is a division within Sigma-Aldrich that specializes in genetic manipulation of in vivo systems for special research and development applications. It was formed in 2008 to investigate zinc finger nuclease technology and its application for disease research models.
dabco , daco and faco [15] Diplomate (or Fellow) of the Academy of Chiropractic Orthopedists (ACO) This is a 3-year postdoctoral American program consisting of 36 weekend seminars provided through an accredited American Chiropractic college and is affiliated with the American Chiropractic Association .
Classically, this compound is prepared from tert-butanol, carbon dioxide, and phosgene, using DABCO as a base: [2] This route is currently employed commercially by manufacturers in China and India. European and Japanese companies use the reaction of sodium tert-butoxide with carbon dioxide, catalysed by p-toluenesulfonic acid or methanesulfonic ...
The bridged bicyclic norbornane, formally bicyclo[2.2.1]heptane The spirocyclic compound spiro[5.5]undecane DABCO (1,4-diazabicyclo[2.2.2]octane) is often incorrectly depicted with one skewed ethylene group for the sake of clarity. A bicyclic molecule (from bi 'two' and cycle 'ring') is a molecule that features two joined rings. [1]
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