Author/Authors :
Fujiwara، نويسنده , , Yasuhiro and Naithou، نويسنده , , Kaname and Miyazaki، نويسنده , , Tomoko and Hashimoto، نويسنده , , Keiji and Mori، نويسنده , , KAZUO and YAMAMOTO، نويسنده , , Yasuo، نويسنده ,
Abstract :
Two new alkaloids possessing a cyclobutane ring, named pipercyclobutanamides A (1) and B (2), have been isolated from the fruits of Piper nigrum. Their stereostructures were determined by extensive spectroscopic methods.
Keywords :
Alkaloids , pipercyclobutanamides , Piper nigrum , Structure elucidation , 1H–1H NOE
