학술저널
디아조크로마논과 보론산의 팔라듐 촉매하 결합반응을 이용한 Lespedezol A1의 합성
Formal Synthesis of Lespedezol A1 via Versatile Palladium-Catalyzed Cross-Coupling of Diazochromanone with Arylboronic Acid
- 대한약학회
- 약학회지
- 제57권 제5호 (2013년)
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2013.10357 - 361 (5 pages)
- 2
A formal synthesis of Lespedezol A1 has been accomplished. The key feature of this synthesis involves an effi- cient and powerful palladium-catalyzed cross coupling reaction of diazocarbonyl compound with bis(benzyloxy)phenylboronic acid for the key 3-aryl-chromen-4-one intermediate, which was difficult to be prepared by Suzuki coupling reaction in the previous study. The versatile and efficient synthetic procedure would facilitate synthesis of pterocarpenes and their deriv- atives.
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