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1. Ring structure characteristic of the group of opium alkaloids represented by papaverine.
2. A class of alkaloids containing the isoquinoline (1) ring structure.
References in periodicals archive ?
Bentley, [beta]-Phenylethylamines and the isoquinoline alkaloids, Nat.
japonicus have recently been reported to contain isoquinoline, alkaloids, phenolic compounds, flavone glycosides, terpenes, lupulones, phenolics and flavonoids [11-13].
10] investigated the pyrolysis mechanism of quinoline and isoquinoline using a DFT method combined with the transition state theory (TST), and obtained theoretical energy barriers for some pyrolysis reaction pathways, which were in good agreement with experimental results.
The plant contains, as major constituents, isoquinoline alkaloids (such as sanguinarine, chelidonine, chelerythrine, berberine, protopine and coptisine), flavonoids, and phenolic acids.
Root, stem, leaf and fruit of the Annona Muricata are rich in flavonoids, alkaloids isoquinoline and Annonaceous acetogeninas,(6, 7); it has been studied and shown that the latter kill's cancer cells with great success and become resistant to chemotherapeutic drugs,(8, 9).
Typically, the biological activities associated with these plants have been related to the presence of isoquinoline alkaloids in their composition, such as aporphine, protoberberine, protopine and benzophenanthridine type (Suau et al.
Sixty-two of the compounds exhibited strong absorption peaks, of which 13 are known or suspected carcinogens (including benzene, ethylbenzene, benzeneacetonitrile, acetonitrile, quinoline, isoquinoline, sterene, diethyl phthalate, 2-methylpyridine, naphthalene carbonitrile, and propene) and more than 20 are known environmental toxins causing acute toxic effects on exposure (including carbon monoxide, p-xylene, phenol, toluene, benzaldehyde, benzenedicarboxylic acid [phthalic acid], and long-chain and cyclic hydrocarbons).
Plant Type of phytochemical(s) Alangium salviifolium Isoquinoline alkaloids and derivatives (IAD) Aloe vera Aloin Azadirachta indica Limonoids Apium graveolens Polyacetylenes Alisma orientale Triterpenes Alstonia yunnanensis IAD Aristolochia cucurbitifolia IAD Aristolochia manshuriensis IAD Atractylodes macrocephala Sesquiterpenes Berberis vulgaris Berberine Brucea javanica Triterpenes Clausena harmandiana IAD Daphniphyllum glaucescens Terpenoids, alkaloids Dictamnus dasycarpus Triterpenes Emblica officinalis Alkaloids Euphorbia fischeriana Diterpenes Ginkgo biloba Terpenoids Goniothalamus amuyon IAD Gynura pseudochina (L.
It is an isoquinoline derivative and its chemical name is 3, 4, 6, 7 tetraethoxy-1 benzyl 1, 2, 3, 4 tetrahydro isoquinoline hydrochloride.