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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 for the sigmatropic rearrangement of alkenyl-methylenecyclopropanes.
4 unimolecular rearrangement of 2,2-dichloro-1-methylenecyclopropane (1) to (dichloromethylene)cyclopro
5 a)-C(beta) ring cleavage reaction, 1-amino-2-methylenecyclopropane-1-carboxylic acid (2-methylene-ACC
8 atalyzed reaction of ethyl diazoacetate with methylenecyclopropane 19, obtained from 2-bromo-2-bromom
14 dipolar cycloadditions, a thermally promoted methylenecyclopropane acetal cycloaddition, and a Pd-cat
16 a and 11b derived from 2,2-bis(hydroxymethyl)methylenecyclopropane analogues 1a, 1b, 2a, and 2b were
17 - and E-stereoisomers of (1,2-dihydroxyethyl)methylenecyclopropane analogues of 2'-deoxyadenosine and
19 important for synthesis of antiviral purine methylenecyclopropane analogues of nucleosides, is also
23 tablished for 26,27-DHZ, suggesting that the methylenecyclopropane can serve as a lead structure for
26 enhancements in a series of aryl-substituted methylenecyclopropanes correlate with sigma(+) values.
27 rine (30) with 24 + 25 afforded (Z)- and (E)-methylenecyclopropane derivatives 26 + 27 and 31 + 32.
28 cular Diels-Alder furan cycloaddition, and a methylenecyclopropane dienophile was used for a stereose
31 n intramolecular strain-promoted Diels-Alder methylenecyclopropane (IMDAMC) reaction provided a pivot
32 of 1-methylcyclopropene relative to isomeric methylenecyclopropane is ascribed to its weak ring C-H b
33 ion of a second pair of geminal fluorines to methylenecyclopropane lowers the barrier to rearrangemen
34 a new reaction of reductive isomerization of methylenecyclopropanes (MCPs) to vinylcyclopropanes (VCP
35 ntermediate, (2) the relief of strain in the methylenecyclopropane moiety provides the thermodynamic
37 thylsilylcyclopropyl alkyl ketones also gave methylenecyclopropane products derived from trimethylsil
39 ains open as to whether the silver-catalyzed methylenecyclopropane rearrangement proceeds via an arge
40 The three triazole groups all enhance the methylenecyclopropane rearrangement rate and are therefo
44 New nucleoside analogues 14-17 based on a methylenecyclopropane structure were synthesized and eva
45 ddition, and a Pd-catalyzed cycloaddition of methylenecyclopropane to an oxabicyclo[3.3.0]octenone.
47 ylthio)benzene), di- and trivinylarenes, and methylenecyclopropanes with primary amines R' 'NH(2) (R'
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