(2S,3R,4R)-2-(3,5-Diformyl-2,4,6-trimethoxy-phenyl)-4-isobutyl-3-isopropyl-5,7-dimethoxy-chroman-6,8-dicarbaldehyde 在
三溴化硼-二甲基硫醚 三溴甲基硫化硼 作用下,
以
1,2-二氯乙烷 为溶剂,
以72%的产率得到sideroxylonal B
参考文献:
名称:
The first total synthesis of sideroxylonal B
摘要:
Sideroxylonal B (2c) has been synthesized through biomimetic cycloaddition of the o-quinone methide and the isopentenyl intermediates (5 and 6t), both of which were simultaneously derived from isopentenyl phloroglucinol precursor 4. (C) 1999 Elsevier Science Ltd. All rights reserved.
Sideroxylonal B (2c) has been synthesized through biomimetic cycloaddition of the o-quinone methide and the isopentenyl intermediates (5 and 6t), both of which were simultaneously derived from isopentenyl phloroglucinol precursor 4. (C) 1999 Elsevier Science Ltd. All rights reserved.