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Controllable polymerization of N-carboxy anhydrides in a microreaction system

✍ Scribed by Honda, Takeshi; Miyazaki, Masaya; Nakamura, Hiroyuki; Maeda, Hideaki

Book ID
127060158
Publisher
Royal Society of Chemistry
Year
2005
Tongue
English
Weight
408 KB
Volume
5
Category
Article
ISSN
1473-0197

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The polymerization was studied in detail using ),-benzyl N-carboxy-L-glutamate anhydride (BGA). Compounds such as tributyltin methoxide, bis(tributyltin)oxide, and N-tributyltin imidazole polymerized BGA while others like dibutyltin dichloride, which are Lewis acids, failed. Polymerization of BGA in

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## Abstract Various kinds of NCA's were polymerized in dimethyl sulfoxide (DMSO). DL‐Alanine NCA polymerized at a fast rate without initiator, the rate being represented by __R__~__p__1~ = __k__[M]^1/2^. When the polymerization was carried out in chloroform in the presence of DMSO, the rate was rep