1,3 alternate die calyx arene derivative

摘要

PURPOSE: To obtain a new compound, having excellent affinity for silver and potassium ions and useful for extracting, etc., ions. ;CONSTITUTION: The objective compound of formula I (R is ≥3C alkyl or alkoxy.ethyl), e.g. a compound of formula II. Furthermore, this compound of formula I is obtained by using a compound of formula III as a starting raw material and reacting the resultant compound of formula IV (X is releasable group) with catechol in the presence of P an alkali.;COPYRIGHT: (C)1994,JPO&Japio