A Method for the Introduction of Reporter Groups into Moenomycin A, Based on Thiouronium Salt Chemistry
作者:Andrij Buchynskyy、Katherina Stembera、Lothar Hennig、Matthias Findeisen、Sabine Giesa、Peter Welzel
DOI:10.1002/1099-0690(200204)2002:7<1163::aid-ejoc1163>3.0.co;2-c
日期:2002.4
21b reacted selectively with the 2-acylamino-1,3-cyclopentanedione unit A of moenomycin A (1) to give the corresponding 2-alkylated products 14a, 14b, 22a, and 22b. These products, depending on the pH of the solution, were either stable under the reaction conditions or they underwent retro-Claisen-type reactions. The method can be used for the attachment of reporter groups to moenomycin A for the synthesis
对烷氧基取代的肉桂基硫脲盐 7、13、21a 和 21b 与莫诺霉素 A (1) 的 2-酰氨基-1,3-环戊二酮单元 A 选择性反应,得到相应的 2-烷基化产物 14a、14b、22a,和 22b。这些产物,取决于溶液的 pH 值,要么在反应条件下稳定,要么经历逆克莱森型反应。该方法可用于将报告基团连接到 moenomycin A 以合成例如 25。 (© Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002)