戻る
「早戻しボタン」を押すと検索画面に戻ります。 [閉じる]

コーパス検索結果 (１語後でソート)

通し番号をクリックするとPubMedの該当ページを表示します
1 R spectroscopic investigations show that the sterically demanding 2-methylimidazole ligand readily bi
2 bearing electron-donating aryl groups or the sterically demanding 2-naphthyl group formed (Z)-alkenes
3 e complementary strands, thereby placing the sterically demanding 8-alkoxy groups in the major or min
4 rocycle ring, employing for the first time a sterically demanding acetal, an intramolecular chemosele
5 , and in contrast to reactions with the less sterically demanding achiral NHCs, the presence of MeOH
6 olecular surface crowding and suppression of sterically-demanding adsorption modes.
7                          Interestingly, more sterically demanding alcohols seem to unfold the protein
8 ymmetrical 3,4-difunctionalized pyrroles and sterically demanding aldehydes was developed.
9 ,3]-sigmatropic rearrangement to construct a sterically demanding all-carbon quaternary center at the
10 set of five-membered heteroaryl halides with sterically demanding alpha-branched cyclic amines and ac
11 llylic amines, enantioselective synthesis of sterically demanding alpha-tertiary amines with a tetras
12 efficient coupling, even for challenging and sterically demanding amines.
13 intramolecular hydroamination/cyclization of sterically demanding amino-olefins to afford disubstitut
14 aturated ketoesters and nitroolefins, a more sterically demanding aminocatalyst has been applied and
15 histone peptides that contain lysine and its sterically demanding analogs.
16                           On the other hand, sterically demanding analogues bearing ortho substituent
17 ppressed under optimized conditions, while a sterically demanding ancillary ligand promotes reductive
18 panecarboxylate catalysts (Rh(2)TPCP(4)) are sterically demanding and capable of controlling the site
19  monoarylation of cyclopropylamine using the sterically demanding and electron-rich adamantyl-substit
20 he third aryl group makes the catalysts less sterically demanding and lacks a well-defined preferred
21 ducting the reaction at lower temperature on sterically demanding and less reactive substrates.
22 best selectivity can be obtained with dense, sterically demanding, and electron-donating organic surf
23  bind in a fashion analogous to that for the sterically demanding antagonist DOB-like compounds.
24 atalyst for the Buchwald-Hartwig coupling of sterically demanding aryl bromides and chlorides with st
25                            Electron-rich and sterically demanding aryl bromides with substituents in
26 get step involves lead-mediated arylation of sterically demanding aryl groups and carbon acid couplin
27 clopentadienyl radicals (1, 2, 5) containing sterically demanding aryl groups showed that they crysta
28 ng enolates, and is especially difficult for sterically demanding aryl partners.
29 ffected by the level of alkene strain, while sterically demanding azides do not hinder the reaction.
30 orable electrostatic interactions during the sterically demanding beta-lactonization.
31 We report here that electron-withdrawing and sterically demanding bis(sulfonamido) ligands lead to en
32                             By making use of sterically demanding boryl substituents, compounds of th
33 al design of siloxydiene component 36 with a sterically demanding bromine substituent.
34 owth of the linear BCP over that of the more sterically demanding brush BCP, which was gradually reve
35                          Key steps include a sterically demanding Buchwald-Hartwig amination as well
36                                    Also, the sterically demanding C(alpha,alpha)-dibenzylglycine (Dbg
37                                         Less sterically demanding carbenes were found to be more acti
38 is introduced for the facile hydrolysis of a sterically demanding carboxamide under a mild condition.
39  reaction and offers insight into why a more sterically demanding catalyst gives lower levels of enan
40 panecarboxylate ligands to have well-defined sterically demanding catalysts capable of high levels of
41 emarkably, both enantiomers, which present a sterically demanding cis-1 C60 addition pattern, represe
42 ne synthesis, it is sometimes limited by the sterically demanding condensation step between dialkyl k
43                                Addition of a sterically demanding cyclic (alkyl)(amino)carbene (CAAC)
44              With strongly pai-accepting and sterically demanding cyclic(alkyl)(amino) carbene ligand
45 genuine viologens but reached its limit when sterically demanding diaryliodonium salts were used.
46 , we utilized a Diels-Alder reaction between sterically demanding diene 42 and nitroethylene to fix t
47 oiety of NP309 is replaced by a chloride and sterically demanding diimine ligands.
48 found to be counterproductive in the case of sterically demanding dimethyl groups and of no consequen
49 ear Pd-alkyl species is more pronounced with sterically demanding diphosphines.
50 ) imido complex ((Tr)L)Co(NR) supported by a sterically demanding dipyrromethene ligand ((Tr)L = 5-me
51                             The influence of sterically demanding dirhodium tetracarboxylate catalyst
52 s recruited to coerce the substrate into the sterically demanding, eclipsed conformation that is requ
53 Buchwald-Hartwig N,N-diarylation in a highly sterically demanding environment.
54 d D phenol triflates for introduction of the sterically demanding F and G aryl rings, and an unusuall
55 pairs, it is not only possible to polymerize sterically demanding, functionalized as well as heteroat
56 oroacetimidate donor was used to achieve the sterically demanding glycosylation of the 5-OH group of
57 ules is suppressed by functionalization with sterically demanding groups and single crystalline organ
58                                The effect of sterically demanding groups at proline residues on the c
59 stal structure of collagen revealed that the sterically demanding groups point to the outside of thes
60       The tolerability of the S3 subsite for sterically demanding groups that provide potency and sel
61 As predicted by the calculations, CoCp*2+, a sterically demanding guest, significantly inhibits guest
62           A wide range of electronically and sterically demanding heterocyclic amines and (hetero)ary
63 omerization rate constants were realized for sterically demanding hydrazone derivatives in the solid
64 id state and in solution, demonstrating that sterically demanding, in some cases pi-donating, ligands
65 -5,6-quinone diimine) has been designed as a sterically demanding intercalator targeted to destabiliz
66 ts as the "door" which permits access of the sterically demanding intercalator to the base stack.
67                                              Sterically demanding intercalators such as [Rh(bpy)2(chr
68                  The hydroaminoalkylation of sterically demanding internal alkenes gives the direct,
69 anar chiral azolium salts that incorporate a sterically demanding iron sandwich complex is now report
70 bserved in the crystal structure of the more sterically demanding isocyanide adduct, [Ni(CNCy)(PCy2NB
71 pe ligands due to the shielding of Pd(II) by sterically demanding JackiePhos, whereas smaller ligands
72 )/ketone systems even in the presence of the sterically demanding ligand HMPA.
73 ndings demonstrate that the combination of a sterically demanding ligand, which suppresses alkyne cyc
74                                        These sterically demanding ligands also accelerated the additi
75 ed through a low-temperature reaction of the sterically demanding lithium dithiolene radical (2) with
76                     The search for extremely sterically demanding monodentate amide ligands to access
77   The recent development of three classes of sterically demanding, monodentate amide ligands - the m-
78 remarkable substrate scope and tolerance for sterically demanding motifs, including a new variant, wh
79 omplex containing a more electron-rich, less sterically demanding N(Ar) ligand scaffold, and compare
80                  Within the last decade, new sterically demanding N-heterocyclic carbene (NHC) ligand
81                                              Sterically demanding Ni(II) alpha-diimine precatalysts w
82                                With the more sterically demanding nitrosocarbonyl mesitylene and anth
83  other 1,3-dienes, the rigid polymers of the sterically demanding nopadiene showed an elevated glass
84                                 In contrast, sterically demanding nucleophiles add to the inside of t
85                                              Sterically demanding nucleophiles such as the silyl enol
86 akis(trifluoromethyl)cyclohexane is the most sterically demanding of the all-cis hexakis substituted
87                                  In general, sterically demanding olefins (DEDAM, styrene) and Grubbs
88 Ullmann-Goldberg coupling products including sterically demanding ortho-substituted heteroarenes.
89    The key to high selectivity is the use of sterically demanding P-chiral diphosphines, such as Tang
90 ents of the S3 subsite by the use of various sterically demanding P3 substituents.
91 ons allow, in particular, the preparation of sterically demanding phosphanes, which, as ligands, are
92 micking isomerization kinetics of integrated sterically demanding photochromic moieties in solution.
93  catalytic active site to accommodate highly sterically demanding polycyclic metallocycle transition
94 n about the Ir-C(aryl) bond, a result of the sterically demanding PONOP ligand.
95 pected because the reaction of the even more sterically demanding rac-2-fluoro-2-benzyl acetic acid p
96 plasma kallikrein, while it is rejected from sterically demanding residues present in loops of the ot
97  chemists will have at some point utilized a sterically demanding secondary amide (R2 N(-) ).
98                                              Sterically demanding secondary phosphine substituents (A
99  abstraction by Pd((0)) is operative in such sterically demanding settings.
100                                              Sterically demanding silyl groups, especially those boun
101 g groups in the aromatic appendage and/or by sterically demanding silyl groups.
102 lar design principle, i.e., incorporation of sterically demanding spiro junctions into the backbone o
103 e sp(3)-gem-dibromide carbon adjacent to the sterically demanding spiroketal center.
104  of photochromic molecules on the example of sterically-demanding spiropyran derivatives through thei
105 des with various structural motifs including sterically demanding substituents and ordinary functiona
106                        The results show that sterically demanding substituents are tolerated in the c
107 c acids which include electron-releasing and sterically demanding substituents in the structure thus
108 itrogen are superior to tertiary amines with sterically demanding substituents on nitrogen in their a
109                                              Sterically demanding substituents positioned ortho and (
110 increases modestly with the incorporation of sterically demanding substituents such as [CMe(3)] or [S
111 a deeper understanding of the functioning of sterically demanding substituents.
112 electron-withdrawing, electron-donating, and sterically demanding substrate combinations.
113 reased enantioselectivity and activity for a sterically demanding substrate.
114                   Many functional groups and sterically demanding substrates are tolerated, which all
115                 In particular, use of either sterically demanding substrates or amino acid derivative
116 aration of 2-subsituted indolines, including sterically demanding substrates that have not previously
117 ent with the enhanced reactivity of 3 toward sterically demanding substrates.
118 ficantly more accommodating than PTP1 toward sterically-demanding substrates.
119 yield highly symmetrical boxes, we find that sterically demanding subunits produce unusual twisted bo
120 veloped as an alternate approach to the most sterically demanding systems in this series.
121 y the ansa-cyclopentadienyl ligand where the sterically demanding tert-butyl substituents and the C2
122 ts were synthesized, which are slightly more sterically demanding than their phenyl analogue but cons
123                A catalytic amount of base, a sterically demanding triarylphosphine ligand, and a phen
124 nce of potassium at a U, K site supported by sterically demanding tris(tert-butoxy)siloxide ligands i
125 igidity of the reacting substrates lead to a sterically demanding TS geometry, which explains the sen
126 obust approach for synthesizing valuable and sterically demanding unsymmetrical 3,3-disubstituted 2-o
127 lecular compounds stabilized by a variety of sterically demanding, very often chelating, organic liga
128                                              Sterically demanding, water-soluble alkylphosphines have
129                                     The more sterically demanding Z-alkenylboron species are obtained

 
Page Top