1 H or Cl, R' = H) have allenic structures (15
Allenic).
2 The research revealed that the
allenic acid substitution pattern is decisive for the pr
3 sertion of heterocyclic diazo compounds into
allenic acids followed by base-promoted cyclization.
4 been developed via a one-pot Ugi reaction of
allenic acids, primary amines, isocyanides, and aldehyde
5 tant, vinyl ether, into the primary product,
allenic aldehyde, which then catalytically transformed i
6 tal-catalyzed heterocyclization reactions of
allenic amino alcohols.
7 Allenic and/or homopropargylic alcohols are obtained upo
8 confirm the classification into propargylic,
allenic,
and carbenic reactivity types.
9 mit a clear distinction between propargylic,
allenic,
and carbenic structures.
10 diazoacetates, resulting in the formation of
allenic aryldiazoesters that further undergo uncatalyzed
11 e aromatic rings; the rings are linked by an
allenic bridge.
12 pe effects measured suggest that the initial
allenic C(sp(3))-H bond cleavage is the rate-limiting st
13 ment for the initial allene attack involving
allenic C(sp(3))-H bond cleavage, but it also induces a
14 , a triene product is selectively formed via
allenic C-H activation.
15 rough a helical-shaped transition state with
allenic character.
16 ng boronic acids are applied to aromatic and
allenic compounds.
17 ated carbon centers to form the three-carbon
allenic core.
18 Bonding within the
allenic dimetallanitrilimine core (Pt-N=N=C-Pt) was prob
19 m structure of 3 is best envisioned as a 1,3-
allenic diradical.
20 below ca. 2200 cm(-1) are more likely to be
allenic (
e.g., HCNNH 1, PhCNNH 6, HCNNPh 43, PhCNNCH(3)1
21 ates that contain pairs of allyl phosphonium/
allenic enolate functionalities.
22 A selective peptide-catalyzed addition of
allenic esters to N-acylimines is reported.
23 ction has been discovered that couples alpha-
allenic esters with N-acyl imines in good to excellent y
24 pid, afford essentially pure (E)-allylic or -
allenic halides after extraction, and are applicable to
25 gylic alkoxides directly provides allylic or
allenic halides.
26 ith IR absorptions below ca. 2150 cm(-1) are
allenic (
HCNNH, PhCNNH, and HCNNPh).
27 lic cation intermediates by transferring the
allenic hydride to the oxidant, thus generating 1,3-enyn
28 l gold-catalyzed domino process, namely, the
allenic hydroarylation/N1-C4 beta-lactam bond breakage t
29 duct is most stable with medium chain length
allenic inhibitors.
30 ction, identifying the alkyne rather than an
allenic intermediate as the reactive species.
31 Allenic intermediates were postulated for this outcome.
32 chirality transfer [2+2] cycloaddition of an
allenic ketone and alkene.
33 osphine-catalyzed cycloaddition reactions of
allenic ketones have been studied, extending the scope o
34 Isotope effects confirm that either
allenic or propargylic C-H activation occurs directly af
35 t precursors of nitrile imines (propargylic,
allenic,
or carbenic), which are isolable at low tempera
36 work on the synthesis of chiral allylic and
allenic organometal compounds of tin, silicon, zinc, and
37 The Rh(I)-catalyzed
allenic Pauson-Khand reaction (APKR) is an efficient, re
38 irality in an intramolecular Rh(I)-catalyzed
allenic Pauson-Khand reaction (APKR) to access tetrahydr
39 ment/deconjugative propargylation, and 3) an
allenic Pauson-Khand reaction.
40 lene-gamma-lactams are synthesized using the
allenic Pauson-Khand reaction.
41 diastereoselectivity of the Mo(CO)6 mediated
allenic Pauson-Khand reaction.
42 The
allenic Pauson-Khand-type cycloaddition has also been ef
43 mediates, and two of them produced bioactive
allenic polyketides and citreodiols as end products, res
44 The unique
allenic products are obtained with enantiomer ratios of
45 Charge is moved from the
allenic side of the polyene into the furanic ring region
46 s predict a nonplanar triplet anion, with an
allenic singlet anion slightly higher in energy.
47 erivatives with a four- and five-carbon atom
allenic spacer, respectively, connecting the nitrogen of
48 n that returned immediately to the uncolored
allenic structure upon addition of a weak base.
49 CAAC-aminoborylene adduct, which features an
allenic structure.
50 lides 15a and 15b (R = H or Cl, R' = H) have
allenic structures (15 Allenic).
51 nowledge about gold-catalysed conversions of
allenic substrates has been obtained.
52 When an
allenic sulfone is treated under palladium catalysis in
53 When an
allenic sulfone is treated with a phosphine nucleophile
54 The new
allenic tandem Pauson-Khand reaction mediated by Mo(CO)(
55 e-allene 33 having a tert-butyl group at the
allenic terminus occurred preferentially, producing the