PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33898165-3 2021 Through a single-crystal study on a model compound, the double Schiff base formation is found to follow syn addition, a kinetically favored product, suggesting that reactivity of the amine and carbonyls dictate the order and geometry of the framework building. Amines 183-188 synemin Homo sapiens 104-107 34424694-0 2021 A Diastereodivergent and Enantioselective Approach to syn- and anti-Diamines: Development of 2-Azatrienes for Cu-Catalyzed Reductive Couplings with Imines That Furnish Allylic Amines. Amines 176-182 synemin Homo sapiens 54-57 34264662-5 2021 By choosing an appropriate combination of chiral palladium and amine catalysts, we could obtain either syn or anti coupling products, and this method therefore provides highly diastereo- and enantioselective access to complementary diastereomers of chiral aldehydes with alpha,beta-vicinal stereocenters. Amines 63-68 synemin Homo sapiens 103-106 30183792-2 2018 The reaction at room temperature under neat conditions (no solvent) with quinuclidine as an amine nucleophile, in the presence of benzyl alcohol as an additive, afforded a product, gamma-(aziridin-2-yl)-beta-hydroxy-alpha-methylene butanoate, in 97% yield with a diastereomeric ratio of anti and syn as 86 : 14. Amines 92-97 synemin Homo sapiens 296-299 31979160-3 2020 The free amine (-NH2) groups at the tail of the CYS-SAM enabled the immobilization of anti-alpha-Syn-antibody, which concurrently allowed the formation of immunocomplex by covalent bonding with alpha-Syn-antigen. Amines 9-14 synemin Homo sapiens 97-100 32198909-3 2020 The photoirradiation of the optically active double helices complexed with chiral amines proceeded in a diastereo- (anti or syn) and enantiodifferentiating way to afford the chiral anti-photodimer with up to 98% enantiomeric excess when (R)-phenylethylamine was used as a chiral double-helix inducer. Amines 82-88 synemin Homo sapiens 124-127 24428414-2 2014 With this method, both syn- and anti-1,2-difunctionalized compounds were obtained from the same set of reactants by using the appropriate amine catalyst. Amines 138-143 synemin Homo sapiens 23-26 27682640-2 2016 Branched homoallylic amines are readily prepared in a syn-selective manner with high regio-, diastereo- and enantioselectivity. Amines 21-27 synemin Homo sapiens 54-57 27355860-2 2016 syn-Selective aldol reactions realized by using either tertiary amines or a dizinc aldol catalyst constitute two parallel routes to the de novo synthesis of orthogonally protected biologically relevant 2-keto-d- and l-gluconic acids. Amines 64-70 synemin Homo sapiens 0-3 24954727-2 2014 Key elements include an asymmetric organocatalytic sequence proceeding by a regiospecific secondary-amine-catalyzed syn Michael addition followed by an intramolecular aldol reaction. Amines 100-105 synemin Homo sapiens 116-119 23723888-2 2013 The major conformational difference arises in the relative orientation of the pyrazole ring amine and dioxole substituents which are anti in A and syn in B. Amines 92-97 synemin Homo sapiens 147-150 24195476-1 2013 By capitalizing on the different reactivity of nitrile N-oxides with isocyanides and amine, alpha-oximinoamidines, a so far elusive class of compounds, have been synthesized in a straightforward way by reacting isocyanides, syn-chlorooximes, and amines in a multicomponent fashion. Amines 85-90 synemin Homo sapiens 162-165 24195476-1 2013 By capitalizing on the different reactivity of nitrile N-oxides with isocyanides and amine, alpha-oximinoamidines, a so far elusive class of compounds, have been synthesized in a straightforward way by reacting isocyanides, syn-chlorooximes, and amines in a multicomponent fashion. Amines 246-252 synemin Homo sapiens 162-165 23478288-1 2013 A reagent-controlled, diastereo- and enantioselective synthesis of anti- and syn-beta-hydroxy-alpha-phenyl carboxylates has been achieved by the proper choice of solvent, temperature, alkoxy group, and amine for the diisopinocampheylboron-mediated asymmetric enolization-aldolization of phenylacetates. Amines 202-207 synemin Homo sapiens 54-57 23790080-2 2013 The subtle interplay between the corresponding acetoxypyranone conformation and steric bulk of tertiary amine bases causes syn-acetoxypyranones to undergo [5 + 2] cycloaddition appreciably faster than anti-acetoxypyranones. Amines 104-109 synemin Homo sapiens 123-126 23425209-2 2013 In the presence of a phosphine scavenger, Ni(COD)2, the phosphine-ligated syn-dinickel complexes copolymerized alpha-olefins and ethylene in the presence of amines to afford 0.2-1.3% alpha-olefin incorporation and copolymerized amino olefins and ethylene with a similar range of incorporation (0.1-0.8%). Amines 157-163 synemin Homo sapiens 74-77 23723843-1 2013 In the title compound, C13H19N3S, the methyl-amine substituent is coplanar with the thia-diazole ring to which it is attached [C-N-C-S torsion angle = 175.9 (2) ] and the amine H atom is syn to the thia-diazole S atom. Amines 45-50 synemin Homo sapiens 187-190 22064936-3 2011 The hy-droxy and amine groups are almost syn which enables the formation of inter-molecular hy-droxy-OH N(thia-diazo-yl) and amine-H O(sulfon-yl) hydrogen bonds leading to a supra-molecular chain aligned along the a axis. Amines 17-22 synemin Homo sapiens 41-44 22395306-4 2012 3-Monosubstituted secondary amine 7c was proved to be the best catalyst, affording high yields (up to 95%), good to excellent enantioselectivities (up to 99%) and diastereoselectivities (syn/anti up to 99:1) under the optimized conditions. Amines 28-33 synemin Homo sapiens 187-190 22719553-3 2012 In each mol-ecule, there is a twist in the link between the approximately syn carbonyl and amine groups [the N-C-C-O torsion angles range from 19.73 (19) to -21.2 (2) ]. Amines 91-96 synemin Homo sapiens 74-77 22324784-5 2012 X-ray crystallography of the syn isomer of complex 2 demonstrated that it has a distorted trigonal bipyramidal geometry with the nitrido group and the two sulfur atoms defining the equatorial plane, the phosphorus atom of the monophosphine and the protonated amine nitrogen of the tridentate ligand spanning the two reciprocal trans positions along the axis perpendicular to the trigonal plane. Amines 259-264 synemin Homo sapiens 29-32 22315965-1 2012 A concise and highly stereoselective total synthesis of manzacidin B and its congeners has been developed following chelation-controlled syn-epoxidation and Lewis acid catalyzed intramolecular regioselective epoxide ring opening to generate the quarternary amine center. Amines 257-262 synemin Homo sapiens 43-46 17078716-1 2006 [Structure: see text] Syn-configured aldol products of mandelic acid esters and aldehydes were synthesized by the catalytic use of amines in the presence of titanium(IV) tert-butoxide. Amines 131-137 synemin Homo sapiens 22-25 20397160-3 2010 Moreover, the judicious selection of commercially available secondary amine catalysts allows selective access to the desired stereoisomer of the N-tert-butoxycarbonyl (Boc) or N-carbobenzyloxy (Cbz) Mannich adducts, with high control over the syn or anti relative configuration and almost perfect enantioselectivity. Amines 70-75 synemin Homo sapiens 243-246 18215050-0 2008 Highly enantioselective direct syn- and anti-aldol reactions of dihydroxyacetones catalyzed by chiral primary amine catalysts. Amines 110-115 synemin Homo sapiens 31-34 21264400-0 2011 Highly enantioselective synthesis of syn-aldols of cyclohexanones via chiral primary amine catalyzed asymmetric transfer aldol reactions in ionic liquid. Amines 85-90 synemin Homo sapiens 24-27 21523067-3 2011 Pairs of mol-ecules assemble in the crystal structure, forming centrosymmetric hydrogen-bonded dimers via pairs of N-H N hydrogen bonds through the syn H atom of the amine group. Amines 166-171 synemin Homo sapiens 148-151 21069994-8 2010 Finally, empirical models are proposed that are consistent with the observed stereochemical course of these coupling reactions en route to chiral homoallylic amines possessing di- or trisubstituted alkenes and anti- or syn- relative stereochemistry at the allylic and homoallylic positions. Amines 158-164 synemin Homo sapiens 219-222 20831256-4 2010 The product pyrimidines can be readily transformed into the corresponding free syn- and anti-amines. Amines 93-99 synemin Homo sapiens 79-82 20521772-2 2010 To achieve this end, chiral primary amines have been explored and the primary-tertiary diamine-Bronsted acid salts are found to promote the cross-aldol reactions of aldehydes with high activity and syn selectivity. Amines 36-42 synemin Homo sapiens 198-201 20464574-3 2010 This hypothesis derived from the results of the biochemical studies, mainly generated from our laboratory, on the possible metabolic shifts of tyrosine toward an activation of decarboxylase enzyme activity with an increased synthesis of traces amines, i.e. tyr, oct and syn, and an unphysiological synthesis of noradrenalin and dopamine. Amines 244-250 synemin Homo sapiens 224-227 19642691-3 2009 Oxidation of the homoallylic amines 3-(N-benzylamino)methylcyclohex-1-ene and 3-(N,N-dibenzylamino)methylcyclohex-1-ene gave, in both cases, the corresponding N-protected 1,2-anti-2,3-syn-3-aminomethylcyclohexane-1,2-diol with high levels of diastereoselectivity (>or=90:10 dr). Amines 29-35 synemin Homo sapiens 184-187 16608325-2 2006 The syn-oriented 2-OH takes over the catalytic role of the external water or amine molecule previously observed in 2-deoxy ester aminolysis. Amines 77-82 synemin Homo sapiens 4-7 14995172-2 2004 On addition of simple amine bases, such as 1,8-bis(dimethylamino)naphthalene (7), complex 5 rapidly generates the triene 6 via a beta-H elimination process whose stereochemistry is demonstrated to be syn. Amines 22-27 synemin Homo sapiens 200-203 15471472-4 2004 Both syn and anti adducts were separately N-deprotected, and the resulting amines reacted with an activated ester derived from the acid (20) to afford the final targets (5). Amines 75-81 synemin Homo sapiens 5-8 11670433-2 1998 All have the syn,anti configuration about the two meridional amine centers of the cis-coordinated cyclen ligand (syn(NH(3)),anti(X)- and syn(X),anti(NH(3))-isomers for X = OH(2), Cl, N(3), OH; designated as 1-X and 2-X respectively) but a syn,syn intermediate is proposed for a number of the reactions. Amines 61-66 synemin Homo sapiens 13-16 11457008-1 2001 The achiral syn folded (face-to-face conformation) host molecule of the ethane-bridged bis(zinc porphyrin) transforms into the corresponding chiral extended anti bis-ligated species in the presence of enantiopure amine guests. Amines 213-218 synemin Homo sapiens 12-15