chroman
1.The key step of the synthesis of chroman derivatives is to construct chiral chroman ring.
合成满衍生物关键是构建含有手性中满环。
2.These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields.
【摘】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.
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