ライフサイエンスコーパス: ring-opening reaction

1 hoxytriptycene does not undergo an oxidative ring opening reaction.

2 had no effect on the regioselectivity of the ring-opening reaction.

3 t as a mixture of regioisomers mediated by a ring-opening reaction.

4 ntermediate formed in the S(N)2 displacement-ring-opening reaction.

5 sidues in the catalysis of a novel oxidative ring-opening reaction.

6 ,2- and 1,3-diamine derivatives by selective ring-opening reactions.

7 llics are not efficient nucleophiles for the ring-opening reactions.

8 icating a direct role of this residue in the ring-opening reaction; (3) Tyr294 may also be responsibl

9 exane suggests that it may be susceptible to ring-opening reactions, a facet of its chemistry that is

10 e oxazine ring via an intramolecular epoxide ring opening reaction and an EDCI-assisted peptide coupl

11 hout bond breaking or bond formation, namely ring-opening reactions and cis-trans isomerizations, res

12 riers are comparable to the barriers for the ring-opening reactions, and the consideration of two Cur

13 ssible competing conrotatory and disrotatory ring-opening reactions are affected by external force.

14 inal chemistry and its propensity to undergo ring-opening reactions as a synthetic intermediate.

15 ermediate can be induced to undergo a double ring-opening reaction at both C1 and C3 to yield vicinal

16 The mechanism of the ring-opening reaction, both in the neutral and in the ra

17 Polycyclic structures can undergo multiple ring opening reactions, but do not have markedly higher

18 ,3,2-oxathiaphospholane 16, that undergoes a ring-opening reaction catalyzed by 1,4-diazabicyclo[5.4.

19 o gain a better understanding of the epoxide ring-opening reaction catalyzed by epoxide hydrolase.

20 Epoxides 3 do not undergo the ring-opening reactions catalyzed by the acidic silica su

21 macrocycles exhibit stepwise, light-induced, ring-opening reactions (DHA-DHA to DHA-VHF to VHF-VHF; V

22 up transformations that deviate from epoxide ring-opening reactions, discovered through nanomechanica

23 iridines, while participating in the initial ring-opening reaction, do not lead to the desired bicycl

24 mediates do not follow the same trend as the ring-opening reaction energies.

25 mol lower than its oxirane analogue, and the ring-opening reaction energy of SB-3CT is 8.0 kcal/mol m

26 Due to this expected shift toward ring-opening reactions heterogeneous oxidation of the un

27 ilizing a newly discovered ethynyl aziridine ring-opening reaction in a longest linear sequence of 15

28 bifunctional, sequential hetero-Diels-Alder/ring-opening reaction in which chiral, metal complexed k

29 he transduction of mechanical force into the ring-opening reaction is an activated process.

30 lfonamide is unprotected, the characteristic ring-opening reaction is completely silenced, which expl

31 Our results show that the selectivity of the ring-opening reaction is influenced by several factors,

32 The activation barrier for the epoxide ring-opening reaction is reduced to approximately 10 kca

33 apping agent played an important role in the ring-opening reaction kinetics.

34 This aziridine ring opening reaction manifold has demonstrated utility

35 ovide deeper understanding of the reversible ring-opening reaction mechanism of 1,3-benzoxazine with

36 The reductive ring opening reaction occurs via a hydride transfer from

37 An in situ ring opening reaction of exo-cycloadduct ethyl exo-2-(N,

38 RAS studies show that the superoxide induced ring opening reaction of PC is determined by the electro

39 ded by the guanidinium group facilitates the ring-opening reaction of (+)-anti-BPDE.

40 The ultrafast light-activated electrocyclic ring-opening reaction of 1,3-cyclohexadiene is a fundame

41 In contrast, the ring-opening reaction of 1,3-cyclohexadiene is shown to

42 alytic, highly C3-selective, stereosepecific ring-opening reaction of 2,3-epoxy alcohols and 2,3-epox

43 The ring-opening reaction of 5,6-epithiohexofuranoses of D-g

44 se, (2) selective Strecker reaction, and (3) ring-opening reaction of a diastereomeric mixture of a d

45 molecules stochastically generated from the ring-opening reaction of a spiropyran, we provide mechan

46 nic acid by an acid-catalyzed intramolecular ring-opening reaction of an epoxide with a carboxylic ac

47 Titanium(IV)-promoted regioselective ring-opening reaction of chiral epoxy-allyl alcohols (Sh

48 The substituent effects on the ring-opening reaction of cyclobutene radical cations hav

49 ound to influence strongly the light-induced ring-opening reaction of DHA to its corresponding VHF.

50 Only after this light triggers the ring-opening reaction of dithienylethene chromophores at

51 ntramolecular bromonium ion assisted epoxide ring-opening reaction of enantiomerically pure epoxides

52 ses may occur by a 10-electron electrocyclic ring-opening reaction of eta(2)-organocobalt intermediat

53 Ring-opening reaction of perfluoroalkoxypentafluorocyclo

54 n unexpected product was obtained in the SET ring-opening reaction of photocycloadduct 1.

55 The mechanically accelerated ring-opening reaction of spiropyran to a colored merocya

56 udy the stereochemistry of the electrocyclic ring-opening reaction of the cyclopropyl radical.

57 re proved stable under basic conditions, the ring-opening reaction of the furan moiety with hydrazine

58 The hydrolytic ring-opening reaction of the thiazole-based carbene was

59 The controlled ring-opening reaction of thiiranes by 1-thioaldoses was

60 The ring-opening reaction of trans-2-aroyl-3-styrylcycloprop

61 We report a highly efficient ring-opening reaction of vinylcyclopropanes by boronic a

62 the relevance of the protonation step in the ring-opening reactions of 1,3-benzoxazines with thiols i

63 Indium triflate-mediated nucleophilic ring-opening reactions of 3-aza-2-oxabicyclo[2.2.1]hept-

64 tics and transition states for electrocyclic ring-opening reactions of 3-silyl, fluorosilyl, difluoro

65 torquoselectivities in thermal electrocyclic ring-opening reactions of 3-silylcyclobutenes have revea

66 The thermal ring-opening reactions of 4-phenyl-1,3,3-triethoxycarbon

67 timescale of the experiments, the forbidden ring-opening reactions of benzocyclobutene, gem-difluoro

68 The high regio- and stereoselective ring-opening reactions of cyclic sulfates and aziridines

69 In this work, ring-opening reactions of cyclopropane derivatives under

70 al reactivities as surrogate HBr reagents in ring-opening reactions of cyclopropyl ketones as well as

71 to study the thermochemistry involved in the ring-opening reactions of gamma-butyrolactone and delta-

72 lipid analogues is based on the nucleophilic ring-opening reactions of N-activated aziridine derivati

73 structures for the conrotatory electrocyclic ring-opening reactions of N-substituted 2-azetines were

74 nate group was introduced via regioselective ring-opening reactions of oxirane 12 and cyclic sulfamid

75 cke aldehydes, which derive readily from the ring-opening reactions of pyridinium salts with secondar

76 A variety of ring-opening reactions of pyroglutamic diketopiperazine

77 In the process, irreversible ring-opening reactions of strained silica trimer rings i

78 Ring-opening reactions of the ketoketene dimers as well

79 The ring-opening reactions of the radical cations of hexamet

80 be further manipulated through nucleophilic ring-opening reactions of the sulfamate core.

81 rm is irradiated with UV light to induce the ring-opening reaction, one of the highest switching rati

82 ion of a regio- and stereospecific aziridine ring opening reaction presents new synthetic technology

83 These ring-opening reactions proceed with high regioselectivit

84 recting effect of the sulfonamide moiety the ring-opening reaction proceeded selectively at the C-3 p

85 ced, which explains that the majority of the ring-opening reactions reported in the literature invoke

86 ion, cohalogenation, oxidation, cyclization, ring-opening reactions, substitution, rearrangement, hyd

87 icals are less stable and subject to further ring-opening reactions that lead to a complex array of s

88 l trichloroacetimidates undergo a hydrolytic ring-opening reaction to form allenylcarbinols.

89 lavoenzyme RutA catalyzes the initial uracil ring-opening reaction to give 3-ureidoacrylate.

90 reaction could be combined with an aziridine-ring-opening reaction to give highly functionalized alip

91 d diastereoselective chlorinative oxabicycle ring-opening reaction to introduce the challenging alkyl

92 tected indazoles are prone to an undesirable ring-opening reaction to liberate o-aminobenzonitriles.

93 Ring-opening reactions transform these substances into t

94 r as it undergoes a reversible electrocyclic ring-opening reaction under tensile stress and thus allo

95 The scope of the aziridine ring-opening reaction was substantially broadened contra

96 To gain insight into this unusual ring-opening reaction, we have solved the crystal struct

97 Further ring-opening reactions were effected using azide and thi

98 ked products at 254 nm leads to a reversible ring-opening reaction, while such phenomena were not obs

99 influence the regioselectivity of an epoxide ring opening reaction with a non-carbon nucleophile.

100 , developed by Miyashita, allowed an oxirane-ring-opening reaction with a double inversion of the con

101 The bisepoxide obtained was submitted to a ring-opening reaction with acid in the presence of water

102 group on the nitrogen atom underwent facile ring-opening reaction with aryl halides to provide cis-2

103 luorocyclopropyl) derivatives 2 also undergo ring-opening reaction with halogens to give 16 and 17.

104 1,5-Dioxaspiro[3.2]hexanes undergo ring-opening reactions with many heteroatom nucleophiles

105 of derivatives through selective S(N)2-type ring-opening reactions with various nucleophiles, often