| 摘要 |
<p>1-Normon-2-yl-heterocyclic cpds. of formula (I). Het = 5-membered heterocyclic ring having a 6-pi electron system and contg. (a) 1C + 4C and N; (b) 2C, 2N + 10 or S; or (c) 4C + 10 or S; R1 = substituent on a C or N atom and selected from 1-20C alkyl, 2-8C alkenyl, aryl, aralkyl or heterocyclyl each opt. substd., or H or 3-7C cycloalkyl; R2 = where approp. a substit. on a C or N atom and is a R1 substit. - Cpds. of formula (II) are also new and are intermediates. Z1-Z3 = H or protecting gps.; W = NHNHY, NHR'1 or ON:CR1-NH2; Y = H or COR1; R'1 = p-NO2-, m-CN- or p-MeSO2-phenyl.</p> |
