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 ansfer catalyst, is commonly used to prepare organolithiums.
2 s urea-stabilized, configurationally defined organolithiums.
3 ne of two interconvertible diastereoisomeric organolithiums.
4  A remarkable finding is that for all of the organolithiums a lithium oxyanionic group in the proxima
5                                              Organolithiums add in an umpolung fashion to the beta-ca
6 ffect of a THF-solvated lithium cation in an organolithium addition to an aldehyde.
7 st merges three simple starting materials-an organolithium, an organoboronic ester, and an organotrif
8                       Changing course: While organolithium and Grignard reagents favor addition to C1
9 t yields upon reaction with alkyl/vinyl/aryl organolithium and Grignard reagents, in the absence of a
10        A wide array of nucleophiles, such as organolithium and Grignard reagents, lithium enolates an
11 s the synthesis of ketones from a variety of organolithium and Grignard reagents.
12 oup, resulting in retentive arylation of the organolithium and hence overall addition of an alkyl or
13 occurring with the highly reactive secondary organolithium and in the presence of an allylic oxyanion
14               The synthesis of siloxanes via organolithium and magnesium reagents was limited by the
15                Due to their high reactivity, organolithium and organomagnesium addition to ketones is
16  that is thought to occur with the analogous organolithium and organomagnesium cyclizations.
17 g electrophilic functionalities sensitive to organolithium and organomagnesium derivatives.
18 monoperoxyacetals react with sp(3) and sp(2) organolithium and organomagnesium reagents to furnish mo
19                              A wide range of organolithiums and Grignard reagents, electrophiles, and
20                                 A variety of organolithiums are added to terminal and 2,2-disubstitut
21                       (3) Conjugate bases of organolithiums are stable with respect to electron loss
22 dimethyl-substituted phosphine sulfide using organolithium bases in the presence of (-)-sparteine has
23 sation is traditionally the domain of potent organolithium bases that require cryogenic conditions, w
24 m by which oxiranes react in the presence of organolithium bases.
25  most general method yet known for preparing organolithiums capable of intramolecular carbometalation
26             This type of reaction is rare in organolithium chemistry and has obvious significant impl
27            Possible benefits of carrying out organolithium chemistry at low ligand concentrations are
28 r dioxide into the sulfonylated products via organolithium chemistry has been achieved.
29       A long-standing problem in the area of organolithium chemistry has been the need for a highly r
30          Shattering the long-held dogma that organolithium chemistry needs to be performed under iner
31 t measurement of ligand-binding constants of organolithium complexes using a (1)H NMR/diffusion-order
32 viously unknown BN-aromatic compounds toward organolithium compounds and bromine has been studied.
33  accessible alpha-siloxy Weinreb amides with organolithium compounds enables access to a broad scope
34                                          The organolithium compounds generated were found to react wi
35                                              Organolithium compounds have been at the forefront of sy
36 e most widely used methods of preparation of organolithium compounds is by the reductive lithiation o
37                                              Organolithium compounds RLi (R = CH(3), CH(3)CH(2), CH(2
38                                          The organolithium compounds were prepared by tin-lithium exc
39                                         Like organolithium compounds, they exhibit aggregation phenom
40 the industry standard for the preparation of organolithium compounds.
41 ble from 1-azapenta-1,4-dien-3-ones 3a-i and organolithium compounds.
42 uding aldol condensations and reactions with organolithium compounds.
43  and/or undesired homocoupling that has kept organolithium cross-couplings from achieving the same le
44 metallic reagents such as organomagnesium or organolithium derivatives was studied, affording acyl be
45 ive asymmetric deprotonation reactions using organolithium/diamine complexes in THF.
46 in the reactions of chiral heterosubstituted organolithiums, generated by lithiation of alkylideneazi
47                     Addition of a variety of organolithium, Grignard, and organozinc reagents (M-R) t
48  between the sp(2)-hybridized bromide and an organolithium initiates the process.
49 lar and polar solvents at 25 degrees C using organolithium initiators resulted in homopolymers with w
50 es, operating through defined aggregation of organolithium intermediates to achieve excellent enantio
51 one structure and subsequent elaboration via organolithium intermediates.
52                                          The organolithium is configurationally stable at low tempera
53 ingly analogous reaction of thioketones with organolithiums is a fundamentally different process: suc
54 t to all previously determined properties in organolithiums is remarkable.
55                                  An array of organolithiums, magnesiates, enolates, and metalated nit
56              In 18 out of 20 examples of the organolithium-mediated conversion of beta-alkoxy aziridi
57                   This substrate reacts with organolithium nucleophiles, and the resulting anionic in
58 e epoxide ring-opening with organocuprate or organolithium nucleophiles.
59 aryl iodides without the need of traditional organolithium or Grignard precursors.
60 nuous flow synthesis of ketones from CO2 and organolithium or Grignard reagents that exhibits signifi
61                          The condensation of organolithium or Grignard reagents with nitriles produce
62   One of the diastereoisomeric atropisomeric organolithiums produced by the tin-lithium exchange is d
63 fferent alkenes supports the hypothesis that organolithium-promoted decomposition of precursors to cy
64 athways, (2) the resulting conclusions about organolithium reaction mechanisms, and (3) perspectives
65 d an unprecedented solvent-dependence of the organolithium reactivity, the key factor in governing se
66  hinges on coupling of a complex neopentylic organolithium reagent and a highly hindered ketone.
67 2-fold neopentylic coupling reaction with an organolithium reagent derived from the alkyl iodides (R)
68                                    The title organolithium reagent possesses relatively low basicity
69 l halogen metal exchange and reaction of the organolithium reagent with N-butanoylmorpholine.
70 lic displacement of the 3-methoxy group with organolithium reagents and instead afforded dihydronapht
71 zed asymmetric allylic alkylation (AAA) with organolithium reagents and reductive ozonolysis is prese
72                                              Organolithium reagents are a vital tool in modern organi
73 ctions of [Me(2)Si(Cp(Me(2)))(2)]W(H)Cl with organolithium reagents do not yield simple ansa tungsten
74 ymerizations require reactive and pyrophoric organolithium reagents for initiation and must be run at
75                 The reaction of ketones with organolithium reagents generally proceeds by addition of
76  been achieved that permit the direct use of organolithium reagents in the palladium-catalyzed cross-
77 ls (TEFDDOLs), by addition of perfluorinated organolithium reagents or Ruppert's reagent (TMS-CF(3))
78  leveraged for the reproducible synthesis of organolithium reagents over a range of common laboratory
79 ion and arylation of 4-chloroquinoline using organolithium reagents proceed with high regioselectivit
80 and diastereoselective conjugate addition of organolithium reagents to alpha,beta,gamma,delta-unsatur
81                                  Addition of organolithium reagents to corannulene (1) produces 1-R-1
82 of 1,2 to 1,4 addition of sulfur-substituted organolithium reagents to cyclohexenones and hexenal was
83           Temporarily anchoring Grignard and organolithium reagents to gamma-hydroxy-alpha,beta-alken
84 organic solvents, chemoselective addition of organolithium reagents to non-activated imines and quino
85 These can be intercepted reductively or with organolithium reagents to produce diastereomerically pur
86 ines to provide sulfondiimidamides, and with organolithium reagents to provide sulfondiimines, and th
87                              The addition of organolithium reagents to these imines follows a modifie
88 onventional wisdom of the incompatibility of organolithium reagents with air and moisture, shown here
89 or the reaction of methyl boronic ester with organolithium reagents with alpha-leaving groups.
90 olution for intermolecular cross-coupling of organolithium reagents without the problematic lithium-h
91 coupling reaction of alkenyl boronic esters, organolithium reagents, and secondary allylic carbonates
92 s, prepared by combining organoboronates and organolithium reagents, engage in palladium-induced meta
93 c reaction of oxazaphospholidine borane with organolithium reagents, followed by trapping with a chlo
94                             The influence of organolithium reagents, ratio of organolithium/(-)-spart
95                        In contrast to simple organolithium reagents, the monomeric THF-solvate was fo
96                        In contrast to simple organolithium reagents, the monomeric THF-solvate was fo
97 ng method for the stabilization of sensitive organolithium reagents-PhLi, n-BuLi and s-BuLi-in a low-
98  the early 1900s owes much to the service of organolithium reagents.
99 ontrolled additions with organomagnesium and organolithium reagents.
100 ions on the incorporation of halide salts in organolithium reagents.
101 cleanly into epoxy ketones by treatment with organolithium reagents.
102                         In this Article, the organolithiums [((-)-sparteine)Li(t)Bu] (1), [(ABCO)Li(t
103 nfluence of organolithium reagents, ratio of organolithium/(-)-sparteine pair versus N,N-dialkyl aryl
104                   We demonstrate that, using organolithium species and cyanide as nucleophiles, the b
105   Nonstabilized alpha-O-substituted tertiary organolithium species are difficult to generate, and the
106 rational stability of a carbamate-stabilized organolithium species may be enhanced by restrictive geo
107 cleophilic addition of Grignard reagents and organolithium species to a 3-silyloxy-3,4,5,6-tetrahydro
108 nucleophilic addition of organomagnesium and organolithium species to the cheap and robust natural dy
109 The configurational stability of the alpha-S-organolithium species was enhanced by using a less coord
110 e reaction of various sp2- and sp-hybridized organolithium species with bromoketone 1 is presented.
111 sible pathways for inversion of these chiral organolithium species.
112               The gel substantially enhances organolithium stability, allows simple storage, handling
113 fers from the configurational instability of organolithiums that are stereogenic at a lithiated carbo
114          Rapid electrophilic trapping of the organolithium therefore generates highly enantiomericall
115 d a variety of products, and addition of the organolithium to carbon of the C horizontal lineS group
116 of ketones and thioketones in reactions with organolithiums, transition states for both the addition
117                The deprotonation to give the organolithium was optimized by in situ IR spectroscopy a
118 e group and for the enantiomerization of the organolithium were determined.
119          It was also found that the cyclized organolithiums, which would have become protonated in th
120 llithiums to give diastereoisomeric benzylic organolithiums whose stereochemistry can be assigned by
121 prehensive investigation of the reactions of organolithiums with a representative alkyl-substituted t

 
Page Top