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N-Methyl-2-pyrrolidone (NMP) is an organic compound consisting of a 5-membered lactam. It is a colorless liquid, although impure samples can appear yellow. It is miscible with water and with most common organic solvents. It also belongs to the class of dipolar aprotic solvents such as dimethylformamide and dimethyl sulfoxide.
Dihydrolevoglucosenone is considered a "green" replacement for DMF. [5] Several standard reactions of organic chemistry, e.g. Menshutkin reaction, [5] Sonogashira coupling, [18] Suzuki-Miyaura coupling [19] and the production of ureas [20] have been carried out in dihydrolevoglucosenone. Formation of ureas using dihydrolevoglucosenone as a solvent
The living nature of NMP is due to the persistent radical effect (PRE). [3] The PRE is a phenomenon observable in some radical systems which leads to the highly favored formation of one product to the near exclusion of other radical couplings due to one of the radical species being particularly stable, existing in greater and greater concentrations as the reaction progresses while the other ...
Taking star polymers as an example, RAFT differs from other forms of living radical polymerization techniques in that either the R- or Z-group may form the core of the star (See Figure 10). While utilizing the R-group as the core results in similar structures found using ATRP or NMP, the ability to use the Z-group as the core makes RAFT unique.
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N-Vinylpyrrolidone (NVP) is an organic compound consisting of a 5-membered lactam ring linked to a (2 carbon) vinyl group.It is a colorless liquid although commercial samples can appear yellowish.
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