3-tert-butyl-4-hydroxy-5-iodo-6-methylbenzaldehyde 、
丙二腈 以
1,2-二氯乙烷 为溶剂,
以gave 3-tert-butyl-4-hydroxy-5-iodo-6-methylbenzylidenemalononitrile as prisms from ethylenedichloride m.p. 158°的产率得到3-tert-butyl-4-hydroxy-5-iodo-6-methylbenzylidenemalononitrile