Two convenient procedures for the synthesis of δ-aminolevulinic acid (5-ALA) are described.
本文介绍了合成δ-氨基乙酰丙酸(5-ALA)的两种简便方法。
Substituted dihydrobenzopyrans
申请人:G.D. Searle & Co.
公开号:EP0139809A1
公开(公告)日:1985-05-08
The invention relates to compounds of the formula:
which are useful as leukotriene D4 (LTD4) inhibitors and therefore useful in the treatment of allergies and inflammatory conditions.