An efficent synthesis of furan sulfonamide compounds of formula ##STR1## comprising reacting a compound of formula 11 with a Grignard reagent in a reaction inert solvent, wherein R' is (C.sub.1 -C.sub.6)alkyl. The compound of formula II is prepared by reacting a compound of formula III with a compound of formula IV wherein R' is (C.sub.1 -C.sub.6)alkyl with a chorinating reagent and an acid scaverger in an inert solvent. The invention also includes a novel compound of the formula ##STR2## wherein R' is (C.sub.1 -C.sub.6)alkyl and Q is halo, hydroxy or amino.
一种有效的
呋喃磺酰胺化合物的合成方法,其
化学式为##STR1##,包括在反应惰性溶剂中用Grignard试剂反应化合物11,其中R'为(C.sub.1-C.sub.6)烷基。化合物II的制备是通过将化合物III与化合物IV反应制得,其中R'为(C.sub.1-C.sub.6)烷基,使用
氯化试剂和酸性清除剂在惰性溶剂中反应。发明还包括一种新的化合物,其
化学式为##STR2##,其中R'为(C.sub.1-C.sub.6)烷基,Q为卤素,羟基或
氨基。