New natural colchicinoids: indications of two possible catabolic routes for the colchicine alkaloids

TH Al-Tel, MHA Zarga, SS Sabri, AJ Freyer… - Journal of Natural …, 1990 - ACS Publications
Colchicum ritchii of Jordanian origin has yielded the three non-nitrogenous colchicinoids
colchicone [1], 3-demethylcolchicone [2], and comigerone [3], as well as the amidic (—) …

Colchicine and related compounds

WC Wildman - The Alkaloids: Chemistry and Physiology, 1960 - Elsevier
Publisher Summary This chapter discusses the colchicine and related compounds. Although
Colchicum has been known since the days of the early Egyptians and Greeks and the …

New natural dibenzocycloheptylamine alkaloids: a possible catabolic route for the colchicine alkaloids

MHA Zarga, SS Sabri, TH Al-Tel, Z Shah… - Journal of Natural …, 1991 - ACS Publications
Colchicum decaisnei of Jordanian origin has yielded three new alkaloids,(—)-jerusalemine
[1],(—)-salimine [2], and (—)-suhailamine {3], besides theknown alkaloid (—) …

Alkaloids from Leaves and Flowers of Colchicum autumnale L. 1

V Malichova, H Potěšijová, V Preininger… - Planta …, 1979 - thieme-connect.com
The alkaloid content in fresh and dry leaves and flowers of Colchicum autumnale L. was
studied. Results show that 2–and 3–demethylated derivatives of colchicine do not occur in …

Phytochemical investigations of some species of Colchicum

KR Fell, D RAMSDEN - Journal of Pharmacy and Pharmacology, 1966 - academic.oup.com
A colorimetric assay for colchicine and its congeners has been devised. It is based on the
yellow colour produced by the treatment of these alkaloids with mineral acid and is useful …

[PDF][PDF] Colchicoside in Colchicum autumnale Bulbs

K Yoshida, T Hayashi, K Sano - Agricultural and biological …, 1988 - Taylor & Francis
Colchicum species produce colchicine alkaloids which have been included in many
pharmacopoeias. I) Colchicine relieves the symptoms of gout, and colchicoside, a …

Alkaloids and phenolics of Colchicum turcicum

A Husek, N Sütlüpinar, P Sedmera, F Voegelein… - Phytochemistry, 1990 - Elsevier
Abstract The alkaloid content (3-demethylcolchicine, colchifoline, N-deacetyl-N-
formylcolchicine, colchicine, cornigerine, 2-demethyldemecolcine, 3-demethyldemecolcine …

Methods of isolating alkaloids of the colchicine series.

VV Kiselev, PA Yavich - 1990 - cabidigitallibrary.org
A review, covering: structures and medicinal uses of these alkaloids (mainly of colchicine
and colchamine); raw materials containing them in adequate quantities (seeds of Colchicum …

[引用][C] Colchicum: a review of colchicums and the sources, chemistry, biogenesis and assay of colchicine and its congeners.

KR Fell, D Ramsden - 1967 - cabidigitallibrary.org
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1, 2-Didemethylcolchicine: A new alkaloid from Gloriosa superba

PK Chaudhuri, RS Thakur - Journal of natural products, 1993 - ACS Publications
From the seeds of Gloriosa superba, the new alkaloid 1, 2-didemethylcolchicine [2], was
isolated, accompanied by known naturally occurring alkaloids colchicine, 2, 3 …