PubMed · 13908965
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W SCHNEIDER, B MUELLER. 1962. [2,3-a] isoquinoline].. https://doi.org/10.1002/ardp.19622950803
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[structure: see text] A novel oxazolone ring-opening and interconversion process between the two jadomycin diastereomeric forms has been characterized by NMR spectroscopy. An analogue, dalomycin T, has been isolated for the first time and does not undergo interconversion.
Two novel RGDF mimetics were synthesized with the use of 4-(1,2,3,4-tetrahydro-isoquinoline-7-yl)amino-4-oxo-butyric acid as a new surrogate of Arg-Gly motif. The synthesized compounds have demonstrated a high potency to inhibit platelet aggregation in vitro and to block FITC-Fg binding to alphaIIbbeta3 on washed human platelets.
The compound 2-(2-selenocyanic acid ethyl ester)-1H-benz[de] isoquinoline-1,3-(2H)-dione (SEBID), a ubiquitous, bioactive naphthalimide derivative is expected to possess an anticancer, anti-tumor and other important therapeutic activities of significant potency with low systematic toxicity. In this paper, the synthesis of the compound, photophysics of the newly prepared naphthalimide derivative and its interaction with model transport protein Bovine serum albumin (BSA) have been reported using the absorption and steady state fluorescence spectroscopic techniques exploiting the intrinsic fluorescence emission properties of BSA as a probe. Interaction of this organoselenium compound in different dioxane-water mixtures with increase in the polarity of the medium has been studied spectroscopically. Interaction of SEBID with BSA leads to a dramatic decrease in the fluorescence intensity of BSA, which suggests the binding of SEBID with the tryptophan residue of BSA. Furthermore, different thermodynamic parameters for SEBID-BSA interaction have been calculated. Rationalization of the data has been attempted, particularly in relation to prospective applications in the biomedical research.