ライフサイエンスコーパス: cycloalkane

1 ster than the C-H activation for this larger cycloalkane.

2 nes, and Cu/Au was used for C-H oxidation of cycloalkanes.

3 hexane and cyclopentane rings and not larger cycloalkanes.

4 pact on the rate of C-H activation for these cycloalkanes.

5 barrier for the subsequent steps en route to cycloalkanes.

6 nt radical decarboxylation of small-strained cycloalkanes.

7 are particularly favorable for the strained cycloalkanes.

8 Racemic acyclic diols as well as trans-cycloalkane-1,2-diols were kinetically resolved, achievi

9 resolution/desymmetrization of rac- and meso-cycloalkane-1,2-diols.

10 8 +/- 1%), branched alkanes (11 +/- 2%), and cycloalkanes (37 +/- 12%) dominated the mass with the la

11 1,2-Bis(5-phenoxathiiniumyl)cycloalkanes (4-7) and 1,2-bis(5-thianthreniumyl)cycloal

12 nization of cycloalkane carboxylic acids and cycloalkane acetic acids was observed, giving either fus

13 Second-order rate constants for cycloalkane activation (C(n)H(2n)), are proportional to

14 These anchors include cycloalkanes, adamantanes, and nitrogen heterocycles tha

15 action of the resulting mixture of methylene cycloalkane and 1-methylcycloalkene at similar rates to

16 Pt, Ni) catalyzes isomerization of methylene cycloalkane and the ene reaction of the resulting mixtur

17 stants for hydrogen atom transfer (HAT) from cycloalkanes and decalins to the cumyloxyl radical (CumO

18 ar structure (n-alkane, branched alkane, and cycloalkane) and its propensity to produce highly oxygen

19 (C6-C12), alkene, alcohol, aldehyde, ketone, cycloalkane, and aromatic hydrocarbon, in 14 min is demo

20 hed polymers, ring-opening polymerization of cycloalkanes, and other useful organic reactions.

21 f a ternary complex, where corannulene and a cycloalkane are both bound together.

22 Strained aminomethyl-cycloalkanes are a recurrent scaffold in medicinal chemi

23 Cycloalkanes are abundant and toxic compounds in subsurf

24 different families including alkane, alkene, cycloalkane, aromatic, polycyclic aromatic, and terpene.

25 THC), n-alkanes, branched alkanes, saturated cycloalkanes, aromatics, aldehydes, hopanes and steranes

26 A wide range of NMHCs (alkanes, cycloalkanes, aromatics, and bicyclic hydrocarbons) are

27 ontaining aromatic plastic wastes that yield cycloalkanes as LOHCs with a theoretical hydrogen capaci

28 in the highest proportions of n-alkanes and cycloalkanes at depth and corresponded with dominance by

29 nonaromatic ketones, aldehydes, ethers, and cycloalkanes at levels as high as 0.1 microg (10 mg/L co

30 es of observed hydrocarbon classes: alkanes, cycloalkanes, bicycloalkanes, tricycloalkanes, and stera

31 much less rapidly than those of the strained cycloalkanes, but much more favorably than cyclohexane.

32 Comparison of the cycloalkane C-C bond activation barriers measured here w

33 n-hydrogen bond activation reactions of four cycloalkanes (C5H10, C6H12, C7H14, and C8H16) by the Cp'

34 the full catalytic dehydrogenation cycle for cycloalkanes (ca. 31 kcal/mol).

35 We report that an agile eight-membered cycloalkane can be stabilized by fusing a benzene ring o

36 clusive gamma-methylene C-H lactonization of cycloalkane carboxylic acids and cycloalkane acetic acid

37 remote gamma-C-H (hetero)arylations of free cycloalkane carboxylic acids, which are essential carboc

38 lene C-H arylation of small- to medium-sized cycloalkane carboxylic acids, with ring sizes ranging fr

39 lylation of substituted 1-vinyl-1-(3-butenyl)cycloalkanes catalyzed by a 1:1 mixture of (phen)Pd(Me)C

40 r-quantitative yields to give a new class of cycloalkane compounds.

41 the mass with the largest contribution from cycloalkanes containing one or two rings and one or more

42 -PLS) to predict the aromatic and naphthene (cycloalkanes) content of naphtha samples.

43 , it is possible that polychloro-alkanes or -cycloalkanes could have quite large hydrogen bond basici

44 and W1 calculations also were carried out on cycloalkanes, cycloalkenes, and selected reference compo

45 esign a molecular library containing over 40 cycloalkane[d]isoxazole derivatives.

46 ration, and systematic evaluation of a novel cycloalkane[d]isoxazole pharmacophoric fragment-containi

47 Cycloalkane[d]isoxazoles form new core structures that i

48 Subsequent efficiency and stability tests of cycloalkane dehydrogenation over Pt/Al(2) O(3) validated

49 upfield and downfield with respect to larger cycloalkanes (delta 1.44-1.54).

50 r classes of organic compounds such as other cycloalkane derivatives, heterocyclic compounds, stereod

51 studied examples have been limited mostly to cycloalkane-derived structures, with cyclohexyl proving

52 ctadiene to give 1,2-bis(5-phenoxathiiniumyl)cycloalkane diperchlorates (4-7) in good yield.

53 and forge carbon-aryl bonds on the strained cycloalkanes framework as single diastereomers and with

54 a single carbon center generating high-value cycloalkanes from readily available alcohols as feedstoc

55 The dehydrogenation of n-hexane and cycloalkanes giving n-hexene and cycloalkenes has been o

56 tion by transition metal complexes, strained cycloalkanes, including cyclopentane, cycloheptane, and

57 The oxidation of cycloalkanes is important in the combustion of transport

58 cleavage reactions were quantified for each cycloalkane isotopomer on each surface.

59 ect between the activation barriers for each cycloalkane isotopomer pair, and also by comparison with

60 e chemisorption of perhydrido and perdeutero cycloalkane isotopomers on the hexagonally close-packed

61 o the C(sp(3))-H bonds of cyclic alkanes and cycloalkane/linear alkane moieties in sulfamate esters,

62 For cycloalkanes, M(+*) species dominate the mass spectrum a

63 ions provide direct and convergent routes to cycloalkanes, making them valuable targets for the devel

64 lysis, oxidative dehydrogenation, alkane and cycloalkane metathesis, methane activation, metathetic o

65 MCH and MCP are often abundant cycloalkanes observed in petroleum and will dissolve int

66 ed two novel classes of APols bearing either cycloalkane or aryl (aromatic) rings, named CyclAPols an

67 a-butenolide or gamma-lactone connected to a cycloalkane or cycoalkene moiety.

68 d (e.g., normal alkane, branched alkane, and cycloalkane) organic compounds.

69 However, the efficiency of arene-cycloalkane pairs currently is limited by unfavorable th

70 Hydrogen uptake and release in arene-cycloalkane pairs provide an attractive opportunity for

71 apping with bis-electrophiles leads to spiro cycloalkane products.

72 s from hexafluoropropene and the appropriate cycloalkane, react with oxygen, carbon, and hydrogen nuc

73 the site-selective C-H functionalization of cycloalkanes remains challenging because of the strain e

74 C-H bond activation barrier with decreasing cycloalkane ring size.

75 raphy retention time data indicates that the cycloalkane ring structures are most likely dominated by

76 ile (MeCN) to form 1,2-bis(5-thianthreniumyl)cycloalkane salts and 1,2-(5,10-thianthreniumdiyl)cycloa

77 alkane salts and 1,2-(5,10-thianthreniumdiyl)cycloalkane salts, most of which have now been isolated

78 oordinated alkane in 4 and 5 is displaced in cycloalkane solutions, compound 6 was spectroscopically

79 ying the matrixes (e.g., the alkane, alkene, cycloalkane, sterane, and phthalate classes), the analyt

80 21a) to pai bond-containing (23a and 23b) or cycloalkane substituents (23e) abrogated the binding to

81 Using nomenclature from eight-membered cycloalkanes, the heavy atoms of the low-energy transiti

82 catalyzes the ene reaction between methylene cycloalkane to afford the expected alpha-hydroxy ester i

83 enyl]2(-)), catalyses the dehydrogenation of cycloalkanes to cyclic alkenes, and linear alkanes with

84 c Wagner-Meerwein shift of aliphatic alkenyl cycloalkanes to cycloalkenes with excellent regio- and e

85 e cycloalkenes corresponding to the strained cycloalkanes undergo hydrogenation much more readily tha

86 oalkanes (4-7) and 1,2-bis(5-thianthreniumyl)cycloalkanes underwent fast elimination reactions on act

87 A method for the synthesis of substituted cycloalkanes was developed using diols and secondary alc

88 ong the electronically unique C-H bonds in a cycloalkane were calculated and are related to the indiv

89 Importantly, cycloalkanes were oxidized with 1 mol % Cu/Au (3:1)-17 a

90 ction of functionalized aminomethyl-strained cycloalkanes, which we believe will find widespread use

91 on signals for straight-chain, branched, and cycloalkanes with minimal or no fragmentation.

92 ar POA was observed to predominantly contain cycloalkanes with one or more rings and one or more bran

93 mild conditions into aromatic compounds and cycloalkanes within minutes.