Cyclopenta[c]proline derivatives were synthesized in a stereocontrolled manner and in good yields via catalytic Pauson-Khand reactions. The starting materials, optically pure enyne amino acid derivatives, can be easily prepared by an alkenylboronic acid-mediated Mannich-type reaction. [reaction: see text]
通过催化的Pauson-Khand反应以立体控制的方式和高收率合成环戊脯
氨酸衍
生物。可以通过烯基
硼酸介导的曼尼希型反应容易地制备光学纯的烯炔
氨基酸衍
生物的起始原料。[反应:看文字]