(2E)-2-{[(2-{2-[(26Z)-26-ethylidene-14,21,28,31-tetrahydroxy-12,29-bis(1-hydroxyethyl)-19-(2-hydroxypropan-2-yl)-10,17,24,34-tetrathia-6,13,20,27,30,35,36,37,38-nonaazahexacyclo[30.2.1.1⁸,¹¹.1¹⁵,¹⁸.1²²,²⁵.0²,⁷]octatriaconta-1(35),2(7),3,5,8,11(38),13,15,18(37),20,22,25(36),27,30,32-pentadecaen-5-yl]-1,3-thiazol-4-yl}-1,3-thiazol-4-yl)(hydroxy)methylidene]amino}-N-(2-oxopropyl)but-2-enimidic acid belongs to the class of organic compounds known as macrolactams. These are cyclic amides of amino carboxylic acids, having a 1-azacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring. They are nitrogen analogues (the a nitrogen atom replacing the o atom of the cyclic carboxylic acid group ) of the naturally occurring macrolides (2E)-2-{[(2-{2-[(26Z)-26-ethylidene-14,21,28,31-tetrahydroxy-12,29-bis(1-hydroxyethyl)-19-(2-hydroxypropan-2-yl)-10,17,24,34-tetrathia-6,13,20,27,30,35,36,37,38-nonaazahexacyclo[30.2.1.1⁸,¹¹.1¹⁵,¹⁸.1²²,²⁵.0²,⁷]octatriaconta-1(35),2(7),3,5,8,11(38),13,15,18(37),20,22,25(36),27,30,32-pentadecaen-5-yl]-1,3-thiazol-4-yl}-1,3-thiazol-4-yl)(hydroxy)methylidene]amino}-N-(2-oxopropyl)but-2-enimidic acid is a strong basic compound (based on its pKa).
Belongs to the class of organic compounds known as macrolactams. These are cyclic amides of amino carboxylic acids, having a 1-azacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring. They are nitrogen analogues (the a nitrogen atom replacing the o atom of the cyclic carboxylic acid group ) of the naturally occurring macrolides.
van Santen JA, Poynton EF, Iskakova D, McMann E, Alsup TA, Clark TN, Fergusson CH, Fewer DP, Hughes AH, McCadden CA, Parra J, Soldatou S, Rudolf JD, Janssen EM, Duncan KR, Linington RG: The Natural Products Atlas 2.0: a database of microbially-derived natural products. Nucleic Acids Res. 2022 Jan 7;50(D1):D1317-D1323. doi: 10.1093/nar/gkab941. [PubMed:34718710 ]