Zobrazeno 1 - 2
of 2
pro vyhledávání: '"39"'
Autor:
Seikou Nakamura, Ikuo Kawasaki, Yoshitaka Ohishi, Naoki Tsuno, Shunsaku Ohta, Masayuki Yamashita
Publikováno v:
ChemInform. 32
Treatment of 1,3-dialkyl-2-(phenylthio)benzimidazolium salts 3 and 1,3-dialkyl-2-phenylthio-1H-imidazolium salts 7 with aq. K2CO3 gives 1,3-dialkyl-1,3-dihydrobenzimidazol-2-ones 4 and 1,3-dialkyl-1,3-dihydroimidazol-2-ones 8, respectively, in 22–9
Autor:
Francis D. Juma, Yumi Nishiyama, Simon G. Mathenge, Patrick B. Chalo Mutiso, Masataka Moriyasu, Atsushi Kato, Momoyo Ichimaru, Kinuko Iwasa
Publikováno v:
ChemInform. 38
From the secondary and tertiary alkaloidal fractions of the root and the bark of Xylopia parviflora (Annonaceae), the isoquinoline alkaloids, 10,11-dihydroxy-1,2-dimethoxynoraporphine and parvinine were isolated, along with 39 known alkaloids. Their