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1.
Two new steroidal alkaloids from bulbs of Fritillaria lichuanensis.
Pi, H-F; Ruan, H-L; Zhan, Y-H; Wu, J-Z.
J Asian Nat Prod Res ; 8(3): 253-7, 2006.
Article in English | MEDLINE | ID: mdl-16864431

ABSTRACT

Two new steroidal alkaloids, lichuanine (1) and lichuanisinine (2), were isolated from the bulbs of FritillariaLichuanensis P. Li et C.P. Yang. Their structures were determined to be (20S,25R)-5alpha, 14alpha-cevanine-3beta, 6beta-diol (1) and (20S,25S)-5alpha,14alpha-cevanine-3beta,6beta-diol-N-oxide (2) by means of spectral analysis and chemical evidence.


Subject(s)
Alkaloids/chemistry , Alkaloids/isolation & purification , Fritillaria/chemistry , Steroids/chemistry , Steroids/isolation & purification , Molecular Structure , Plant Stems/chemistry
2.
Study of source size in pp-bar collisions at sqrt s =1.8 TeV using pion interferometry.
Alexopoulos T; Allen C; Anderson EW; Balamurali V; Banerjee S; Beery PD; Bhat P; Bishop JM; Biswas NN; Bujak A; Carmony DD; Carter T; Choi Y; Cole P; DeBonte R; DeCarlo V; Erwin AR; Findeisen C; Goshaw AT; Gutay LJ; Hirsch AS; Hojvat C; Jennings JR; Kenney VP; Lindsey CS; Loomis C; LoSecco JM; McMahon T; McManus AP; Morgan NK; Nelson K; Oh SH; Porile NT; Reeves D; Rimai A; Robertson WR; Scharenberg RP; Stampke SR; Stringfellow BC; Thompson MA; Turkot F; Walker WD; Wang CH; Warchol J; Wesson DK; Zhan YH.
Phys Rev D Part Fields ; 48(5): 1931-1942, 1993 Sep 01.
Article in English | MEDLINE | ID: mdl-10016431
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