The third row of equation one demonstrates the general preparation of substituted thiophenes, pyrroles, furans from 1,4-dicarbonyl compounds.
ແຖວທີສາມຂອງສົມຜົນຫນຶ່ງສະແດງໃຫ້ເຫັນການກະກຽມທົ່ວໄປຂອງ thiophenes ແທນ, pyrroles, furans ຈາກທາດປະສົມ 1,4-dicarbonyl.