The present invention relates generally to methods of synthesis of diterpene heterocylic compounds. More particularly, the present invention relates to efficient methods of synthesis of ingenol (Formula (21), CAS 30220-46-3), from a compound of formula (1). The present invention also provides for various advantageous intermediates along the synthetic route of ingenol. Efficient synthesis of ingenol is important in the design and synthesis of related analogues, such as ingenol-3-angelate.
本发明一般涉及二萜
杂环化合物的合成方法。更具体地,本发明涉及从式(1)化合物高效合成英吉醇(式(21),CAS
30220-46-3)的方法。本发明还提供了在英吉醇的合成途中的各种有利的中间体。高效合成英吉醇对于设计和合成相关类似物,如英吉醇-3-安榴酸酯,是重要的。