tetracyclic


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tetracyclic

/tet·ra·cyc·lic/ (tet″rah-sik´lik) containing four fused rings or closed chains in the molecular structure.
References in periodicals archive ?
SAN DIEGO -- The tetracyclic antidepressant mirtazapine significantly improved indicators of functional dyspepsia and psychological distress in a single-center, randomized, placebo-controlled, double-blinded trial of 116 adults.
Biological and chemical study of fused tri- and tetracyclic indazoles and analogues with important antiparasitic activity.
22] 100mg) + SARI (trazodone 50mg) MAOI (phenelzine 60mg) + TCA (nortriptyline 150mg) + SARI (trazodone 400mg) SSRI (paroxetine 40mg) + NaSSA (mirtazapine 30mg) Present report + SARI (trazodone 150mg) MAOI: monoamine oxidase inhibitor; NARI: noradrenaline reuptake inhibitor; NaSSA: noradrenergic and specific serotoninergic antidepressant; SARI: serotonin antagonist/reuptake inhibitor; SNRI: serotonin/noradrenaline reuptake inhibitor; SSRI: selective serotonin reuptake inhibitors; TCA: tricyclic antidepressants; TeCA: tetracyclic antidepressant.
Cucurbitacin B (Cuc B), a natural tetracyclic triterpenoid, is abundant in many Cucurbitaceae species [19].
Euphoportlansols A and B, tetracyclic diterpene polyesters from Euphorbia portlandica and their anti-MDR effects in cancer cells.
Based on which chemicals in the brain they affect, the antidepressants were classified into 7 classes including tricyclic antidepressants, tetracyclic, monoamine oxidase inhibitors, selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), noradrenergic and specific serotonergic antidepressant (NaSSA), and other newer antidepressants.
Discovery, isolation and structure elucidation of a family of structurally unique fermentation-derived tetracyclic macrolides.
Other alternatives for penicillin allergic patients are fluoroquinolones, tetracyclic trimethoprim-sulfamethoxazole and aztreonam.
Siddiqui BS, Afshan F, Gulzar T, Sultana R, Naqvi SN, Tariq RM (2003) Tetracyclic triterpenoids from the leaves of Azadirachta indica and their insecticidal activities.
Previously, steviol was considered as precursor of gibberellic acid due to cis-coupling of B and C rings of tetracyclic hydrocarbon system, typical for gibberellins.
The ultimate products of such processes are therefore tetracyclic and pentacyclic aromatic hydrocarbons.