Seven new 17-norpimarane and (9βH)-17-norpimarane diterpenoids, icacinlactones A-G (1-7), were isolated from the tuber of Icacina trichantha. The structures were elucidated by spectroscopic and HRMS techniques, and the absolute configuration of 2 was determined by means of X-ray crystallographic
New 17-nor-pimaranes (1, 2), (9βH)-pimaranes (3, 4), and 17-nor-(9βH)-pimarane (5) were isolated from the tuber of Icacina trichantha. The structures were elucidated based on spectroscopic and HRMS data. The absolute configurations of 3 and 5 were determined by single-crystal X-ray diffraction.
اكتب أحد الأعراض أو المرض واقرأ عن الأعشاب التي قد تساعد ، واكتب عشبًا واطلع على الأمراض والأعراض التي تستخدم ضدها. * تستند جميع المعلومات إلى البحوث العلمية المنشورة