EFFICIENT METHOD FOR THE SYNTHESIS OF 1,3-UNSUBSTITUTED 2-IMINO-5-OXOOCTAHYDROIMIDAZO[4,5- d ]IMIDAZOLIUM IODIDES BASED ON THIOGLYCOLURILS

Vladimir V. Baranov; Evgeniya L. Yatsenko; Elizaveta K. Melnikova; Yulia V. Nelyubina; Angelina N. Kravchenko

doi:10.1007/4838

EFFICIENT METHOD FOR THE SYNTHESIS OF 1,3-UNSUBSTITUTED 2-IMINO-5-OXOOCTAHYDROIMIDAZO[4,5-d]IMIDAZOLIUM IODIDES BASED ON THIOGLYCOLURILS

Vladimir V. Baranov, Evgeniya L. Yatsenko, Elizaveta K. Melnikova, Yulia V. Nelyubina, Angelina N. Kravchenko

Abstract

A facile and efficient two-step synthetic route to previously inaccessible 1,3-unsubstituted 2-imino-5-oxooctahydroimidazo[4,5-d]imidazol-1-ium iodides has been developed using easily accessible thioglycolurils, MeI, and various primary amines, morpholine, or ethylene diamine. The structure of representative products and hydrogen-bonding pattern in their crystals have been investigated by X-ray diffraction.

Keywords

iminoglycolurils; isothiouronium salts; thioglycolurils; condensation; S-methylation

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Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv

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