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2004
Amino acids
U 0400
Application of 1,1,3,3-Tetramethylguanidine in the Reaction of Amino Acids with
— Tetramethylguanidine is successfully applied to the reaction of pan51- 166 Pantolactone.
tolactone ring opening with amino acids and amino acid derivatives. No racemization
of the amino acids and only a slight razemization of pantolactone is observed. The procedure seems to be general and guarantees high yields under mild conditions. Lysine
(IV) because of its basic properties is used without application of tetramethylguanidine.
— (WLOSTOWSKI, M.; ROWICKI, T.; SYNORADZKI*, L.; Tetrahedron:
Asymmetry 15 (2004) 15, 2333-2338; Lab. Technol. Processes, Fac. Chem., Warsaw
Univ. Technol., PL-00-664 Warszawa, Pol.; Eng.) — Bartels
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