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 CO(2)D gives ring-opened products as well as methylenecyclopropane.
2 ly weak allylic C-H bonds (99.3 kcal/mol) of methylenecyclopropane.
3 ine catalyst and the intrinsic reactivity of methylenecyclopropanes.
4 for the sigmatropic rearrangement of alkenyl-methylenecyclopropanes.
5 unimolecular rearrangement of 2,2-dichloro-1-methylenecyclopropane (1) to (dichloromethylene)cyclopro
6 a)-C(beta) ring cleavage reaction, 1-amino-2-methylenecyclopropane-1-carboxylic acid (2-methylene-ACC
7                                    1-Amino-2-methylenecyclopropane-1-carboxylic acid (2-methylene-ACC
8                    The 2,2-bis(hydroxymethyl)methylenecyclopropane (11) was converted to dibromo deri
9 atalyzed reaction of ethyl diazoacetate with methylenecyclopropane 19, obtained from 2-bromo-2-bromom
10 y Se oxidation and beta-elimination gave cis-methylenecyclopropane 22.
11 lation (30), and oxidation-elimination trans-methylenecyclopropane 31.
12                            The greater SE of methylenecyclopropane (39.5 kcal/ mol), relative to meth
13 tes 11a, 11b, 12a, and 12b afforded E- and Z-methylenecyclopropanes 4a, 4b, 5a, and 5b.
14 ormation of a base-stabilized B,N-containing methylenecyclopropane 7.
15 dipolar cycloadditions, a thermally promoted methylenecyclopropane acetal cycloaddition, and a Pd-cat
16 nd 31 + 32 with DIBALH afforded (Z)- and (E)-methylenecyclopropane alcohols 14 + 16 and 33 + 34.
17 a and 11b derived from 2,2-bis(hydroxymethyl)methylenecyclopropane analogues 1a, 1b, 2a, and 2b were
18 - and E-stereoisomers of (1,2-dihydroxyethyl)methylenecyclopropane analogues of 2'-deoxyadenosine and
19                     The second generation of methylenecyclopropane analogues of nucleosides 5a-5i and
20  important for synthesis of antiviral purine methylenecyclopropane analogues of nucleosides, is also
21       A series of 13 new (S,Z)-2-aminopurine methylenecyclopropane analogues was synthesized, and the
22 hips will be discussed in context with other methylenecyclopropane analogues.
23 lation of functionalized cyclopentenone with methylenecyclopropane and subsequent fragmentation.
24 hly strained spiro[2,3]hexane skeletons from methylenecyclopropanes and a broad selection of alpha,be
25 chael addition followed by ring expansion of methylenecyclopropanes and nucleophilic attack of an ena
26                                              Methylenecyclopropanes are important synthetic intermedi
27 lytic asymmetric synthesis of axially chiral methylenecyclopropanes by a [2 + 1]-cycloaddition of an
28 tablished for 26,27-DHZ, suggesting that the methylenecyclopropane can serve as a lead structure for
29                             The purine (Z,E)-methylenecyclopropane carboxylates 13 and 24 were select
30                Certain 1,1-dimethyl-2-aryl-3-methylenecyclopropanes containing carbonyl substituents
31 enhancements in a series of aryl-substituted methylenecyclopropanes correlate with sigma(+) values.
32 rine (30) with 24 + 25 afforded (Z)- and (E)-methylenecyclopropane derivatives 26 + 27 and 31 + 32.
33 cular Diels-Alder furan cycloaddition, and a methylenecyclopropane dienophile was used for a stereose
34                     Several Z-(hydroxymethyl)methylenecyclopropanes exhibited in vitro antiviral acti
35                         Nitrogen-substituted methylenecyclopropanes have been prepared by a strain-dr
36 n intramolecular strain-promoted Diels-Alder methylenecyclopropane (IMDAMC) reaction provided a pivot
37 of 1-methylcyclopropene relative to isomeric methylenecyclopropane is ascribed to its weak ring C-H b
38 ion of a second pair of geminal fluorines to methylenecyclopropane lowers the barrier to rearrangemen
39 a new reaction of reductive isomerization of methylenecyclopropanes (MCPs) to vinylcyclopropanes (VCP
40 ntermediate, (2) the relief of strain in the methylenecyclopropane moiety provides the thermodynamic
41                                              Methylenecyclopropanes participate in a broad range of a
42             Intermolecular hydroamination of methylenecyclopropane proceeds via highly regioselective
43 thylsilylcyclopropyl alkyl ketones also gave methylenecyclopropane products derived from trimethylsil
44                              The rate of the methylenecyclopropane rearrangement is enhanced by an al
45 ains open as to whether the silver-catalyzed methylenecyclopropane rearrangement proceeds via an arge
46    The three triazole groups all enhance the methylenecyclopropane rearrangement rate and are therefo
47  Silver cation also enhances the rate of the methylenecyclopropane rearrangement.
48 rect irradiation or by sensitized processes, methylenecyclopropane rearrangements do not occur.
49                        The structures of the methylenecyclopropane ring-opened olefins were determine
50    New nucleoside analogues 14-17 based on a methylenecyclopropane structure were synthesized and eva
51 ddition, and a Pd-catalyzed cycloaddition of methylenecyclopropane to an oxabicyclo[3.3.0]octenone.
52                     Instead, it comes from a methylenecyclopropane-type rearrangement of chemically a
53 ylthio)benzene), di- and trivinylarenes, and methylenecyclopropanes with primary amines R' 'NH(2) (R'