Pachysandra terminalis

Leucothoe walteri and cultivars Mahonia aguifolium, M. repens Pachysandra terminalis ... 

The conversions shown in Scheme 18 interrelate a number of alkaloids and in conjunction with optical circular dichroism evidence establish the structure of spiropachysine (359), a major alkaloid in the leaves of Pachysandra terminalis Sieb. et Zucc. (Buxaceae), unique in possessing a five-membered spirolactam system.189 Spiropachysine (359) was reduced by lithium aluminium hydride to the deoxo-compound (360), whose dimethiodide on Hofmann degradation yielded two materials, the more strongly basic being a mixture of two olefins (361) which both afforded on hydrogenation the compound (362). The last compound was also prepared from... 

Pachysandiol B (109) and pachysonol (110), two new friedelin derivatives, have been isolated from Pachysandra terminalis Rearrangement of the corresponding 3-en-16-one followed by WolfT-Kishner reduction yielded 18) H-olean-12-ene. Roxburghonic acid (111) from the leaves of Putranjiva roxhurghii is a C-25 carboxylic acid. " The full paper on pachysandiol A has appeared. ... 

Key to letters a. Pachysandra terminalis Sieb. et Zucc. b. Sarcococca pruniformis Lindl. See Table I. 

The full paper concerning the structural study of spiropachysine, a major alkaloid of the leaves of Pachysandra terminalis Sieb. and Zucc. (124), has been published. ... 

Kikuchi, T., M. Takayama, T. Toyoda, M. Arimoto, and M. Niwa Studies on the Neutral Constituents of Pachysandra terminalis Sieb. et Zucc. V. Structures of Pachysandiol-B and Pachysonol, New Friedelin Type Triterpenes. Chem. Pharm. Bull. (Japan) 21, 2243(1973). 

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