Studies in organic chemistry
About: Studies in organic chemistry is an academic journal. The journal publishes majorly in the area(s): Enzyme & Photochromism. It has an ISSN identifier of 0165-3253. Over the lifetime, 202 publications have been published receiving 2152 citations.
TL;DR: Agrawal et al. as mentioned in this paper proposed a method for signal assignment of carbon-13 NMR spectroscopy images of the flavonoid structures and established the aromatic substitution pattern.
Abstract: 1. Introduction (P.K. Agrawal, K.R. Markham). Flavonoid structure variation - nomenclature. Flavonoid structure establishment - general. Revision of flavonoid structures resulting from carbon-13 NMR studies. Carbon-13 NMR spectroscopy - general. 2. Methods for Signal Assignment (P.K. Agrawal). Experimental NMR techniques. Shift and relaxation reagents. Isotopic labelling. Derivatization. 3. Flavonoids (P.K. Agrawal, R.S. Thakur, M.C. Bansal). Flavanones. Flavanonols. Flavones. Flavonols. 3-Methoxyflavones. Flavonoid sulphates. Anthocyanidins. 4. Isoflavonoids (P.K. Agrawal, M.C. Bansal). Isoflavonoids. Coumaronochromones. Pterocarpanoids. Rotenoids. Bi-isoflavanoids. 5. Other Flavonoids (P.K. Agrawal, M.C. Bansal). Neoflavonoids. Auronoids. Homoisoflavonoids and homoflavonoids. Biflavonoids. 6. Flavonoid Glycosides (P.K. Agrawal, M.C. Bansal). Solvent system. Number and identification of the monosaccharides. Interglycosidic linkage. Identification of flavonoid aglycones. Site of glycosylation. Anthocyanins and acylated anthocyanins. 7. Chalconoids (P.K. Agrawal, M.C. Bansal). Chalconoid structure variation - nomenclature. Chalconoids. Chalcanonoids. Chalcanoids. Biflavonoids. Chalconid glycosides. Determination of aromatic substitution pattern. 8. Flavanoids (P.K. Agrawal, M.C. Bansal, L.J. Porter, L. Yeap Foo). Monomeric flavanoids. Condensed proanthocyanidins. Flavanoid esters. Flavanoid-O- and C-glycosides. Miscellaneous flavans. Isoflavanoids. 9. Flavonoid Structure and Carbon-13 NMR Spectroscopy (P.K. Agrawal). C 15 Flavonoids. C 16 Flavonoids. Establishment of the aromatic substitution pattern. (Chapters begin with an Introduction and conclude with References). Abbreviations. Subject Index. Compound Index.
TL;DR: In this article, the pattern of protein fragmentation of several globular proteins of known three-dimensional structure allowed to infer molecular aspects of the proteolytic event and, in particular, to establish that exposed and flexible loops are the most susceptible sites of proteolysis.
Abstract: Analysis of the pattern of protein fragmentation of several globular proteins of known three-dimensional structure allowed to infer molecular aspects of the proteolytic event and, in particular, to establish that exposed and flexible loops are the most susceptible sites of proteolysis.