| 摘要 |
<p>Title acid I (R; carboxylic acid-protecting group, R1;H or methoxy, R2 and R5; amido groups of III where R4=C2-C4 alkenylene or 1, 2-phenylene) was prepd. by the reaction of II (q; 1 or 0) and 3-6 equivalent alkali metal salt of secondary C1-C7 alcohol, or alkali salt of primary or tertiry C1-C7 alcohol.</p> |
