ライフサイエンスコーパス: butene

1 8000 for the hydrogenation of 2,3-dimethyl-2-butene.

2 ylation was also observed on propylene and 1-butene.

3 s the major product via the enol 2-hydroxy-2-butene.

4 ene, 1-methylcyclohexene, and 2,3-dimethyl-2-butene.

5 sed allylic hydroxylation of cyclohexene and butene.

6 yclohexene, alpha-pinene, and 2,3-dimethyl-2-butene.

7 ethylene dimerization to selectively form 1-butene.

8 d typically inert Z-1,1,1,4,4,4-hexafluoro-2-butene.

9 as a [2 + 1] cycloadduct with 2,3-dimethyl-2-butene.

10 Epoxide 2 was prepared from 3,4-dichloro-1-butene (1) by epoxidation with m-CPBA and subsequent deh

11 (alkene = ethylene, propene, 1-butene, cis-2-butene, 1-hexene, 1-octene, and 1-decene), has been prep

12 lmethyl)-N'-(5,6,7,8-tetrahydroquinolin-8-yl)butene-1, 4-diamine (AMD11070).

13 suggested that most adducts resulted from 3-butene-1,2-diol metabolism to 3,4-epoxy-1,2-butanediol,

14 butadiene is primarily metabolized via the 3-butene-1,2-diol pathway, but that mice are much more eff

15 o commercially available cis alkenes, (2Z)-2-butene-1,4-diol and 2,5-dihydrofuran, could be employed

16 This Ru(IV) allyl catalyst enchains 2-butene-1,4-diol primarily as the linear trans-2-butenyl

17 The catalytic condensation of cis-2-butene-1,4-diol with CpRu(MQA)(C(3)H(5)) (Cp = cyclopent

18 n A, has been readily synthesized from cis-2-butene-1,4-diol.

19 t isomerization) and hydroxylation to give 2-butene-1-ol were all significantly decreased by the 2B4

20 roma activity: dimethyl sulphide, 3-methyl-2-butene-1-thiol, 2-methyl-3-furanthiol, dimethyl trisulph

21 mol at QCISD(T)// QCISD/6-31+G(d,p)] and E-2-butene [14.3 and 13.2 kcal/mol at QCISD(T)/6-31G(d)//B3L

22 ed Grignard reagents to 2-chloro-3,4-epoxy-1-butene (2) afforded (Z)-3-chloroallylic alcohols such as

23 -2-butyn-1-amine (1), 1,4-diamino-2-chloro-2-butene (2), 1,6-diamino-2,4-hexadiyne (3), and 2-chloro-

24 ne (7.0) approximately alpha-olefins > cis-2-butene (2.2) > trans-2-butene (<0.1).

25 cts with benzene, mesitylene, 3,3-dimethyl-1-butene, 2-methoxy-2-methylpropane, 2-butyne, acetone, pe

26 tion of Th.+ClO4(-) to five trans alkenes (2-butene, 2-pentene, 4-methyl-2-pentene, 3-octene, 5-decen

27 ecent yields by condensing readily available butene-2,3-diyl-bisthiophene-2,5-diyl-bis(p-methoxypheny

28 xAc), cis-3-hexen-1-ol (HxO), and 2-methyl-3-butene-2-ol (MBO).

29 The 1-butene hydride complex, (N/\N)Pt(H)(1-butene)+ (3), is a key intermediate in the dimerization

30 y loss of the H by 27.8 kJ/mol in 2-methyl-1-butene-3-yne, by 36.8 kJ/mol in isoprene, by 55.9 kJ/mol

31 s(2-methoxyethyl)aminomethyldimethylsilyl]-2-butene 5, and using only modeling, 1,4-dilithio-2-butene

32 ively, and related affinities for 2-methyl-1-butene (5) and 2-methyl-2-butene (6) using G3MP2B3 and C

33 ies for 2-methyl-1-butene (5) and 2-methyl-2-butene (6) using G3MP2B3 and CBS-QB3 protocols.

34 reparation of (Z)-4-(benzoyloxy)-1-hydroxy-2-butene, 7, a key intermediate for the synthesis of unsat

35 action enthalpies of methylpropene (6) and 2-butene (8), yielding 1 and 4, respectively.

36 ,4-dibromo-2-butene yields 3-alkyl-4-bromo-1-butene, a product of S(N)2' substitution.

37 Isobutane-isobutylene or 2-butene alkylation gave excellent yields of high octane a

38 = P, As, Sb, and Bi) yielding triaza-pnicta-butene analogues of the type R-N horizontal lineN-N(R)-E

39 brated with pure standards of 2,3-dimethyl-1-butene and 2, 3-dimethyl-2-butene in the gas phase and m

40 e much more reactive than unstrained trans-2-butene and 2-butyne, because they are predistorted towar

41 tituted terminal olefins, such as 2-methyl-1-butene and beta-pinene, when compared to simple terminal

42 gas stream composed of equimolar amounts of butene and carbon dioxide.

43 this host can bind guests such as 2-methyl-2-butene and cumene to form stable solid host-guest comple

44 nd enthalpies for DMC additions to 2-ethyl-1-butene and methyl acrylate are computed and observed to

45 sample of n-butylated h-SWNTs showed that 1-butene and n-butane are formed during thermolysis.

46 step 2a, allylic alkylation occurs to give 1-butene and reform metal acetate, [(phen)M(O2CCH3)](+), w

47 1-Butene and the higher 1-n-alkenes from all the catalysts

48 is of allyl benzene with cis-1,4-diacetoxy-2-butene and the macrocyclic ring-closing of a 14-membered

49 framework Zn-OH and Bronsted acidic sites to butene and then to aromatic compounds has thus been demo

50 on of various halogenated ethenes, propenes, butenes and nonhalogenated cis-2-pentene, an isomeric mi

51 noethoxy)phenyl]-1-(4-iodophenyl)-2-phenyl-1-butene ] and selected homologs of 4-iodotamoxifen [2a,(E

52 lusters with alkenes (ethylene, propylene, 1-butene, and 1,3-butadiene) are investigated by experimen

53 (2)=CHP(Cy)(3))](+) BF(4)(-) with propene, 1-butene, and 1-hexene at -45 degrees C affords various su

54 NMR spectroscopy, a mixture of propylene, 1-butene, and 2-butenes is formed.

55 a) and isobutene, 2-methylbutene, 2-methyl-2-butene, and 2-methylpentene decompose spontaneously in a

56 ma-sultambenzosulfonamide, aminocarbonitrile butene, and 4-isoxazolamide chemical classes.

57 idize toluene, chlorobenzene, 3,4-dichloro-1-butene, and indole.

58 ound species derived from ethene, propene, n-butene, and isobutene on solid acids with diverse streng

59 o those for an acyclic model compound, cis-2-butene, and provide the needed information to experiment

60 : 8-(3-chlorostyryl)caffeine, 1,4-diphenyl-2-butene, and trans,trans-farnesol are shown to inhibit co

61 fmann elimination of [Bu4N]+ to give Bu3N, 1-butene, and water.

62 ds that could be trapped with 2,3-dimethyl-2-butene as [2+1] cycloaddition products.

63 aphthalene in the presence of 2,3-dimethyl-2-butene as a trap for liberated MeTAD.

64 ene reaction of formaldehyde with 2-methyl-2-butene at natural abundance catalyzed by diethylaluminum

65 nd terminal alkenes (ethylene, propene and 1-butene), but not bulkier alkenes such as 2-butene or cyc

66 oposed in the literature, many of which have butenes, butadiene, and furan as reaction intermediates.

67 2-dichloroethylene (1,2-DCE) (C2H2Cl2) and 2-butene (C4H8).

68 le test reactions as ethene hydrogenation, 2-butene cis-trans isomerization and H(2)/D(2) scrambling

69 The alkenes used were cis- and trans-2-butene, cis- and trans-2-pentene, cis- and trans-4-methy

70 h(3))(alkene) (alkene = ethylene, propene, 1-butene, cis-2-butene, 1-hexene, 1-octene, and 1-decene),

71 opposite faces of the near coplanar of the 2-butene component.

72 ved in 17 linear steps starting from cis-1,4-butene-diol.

73 F4-) has been found to add to 2,3-dimethyl-2-butene (DMB) at 0 degrees C and -15 degrees C.

74 ark through the ozonolysis of 2,3-dimethyl-2-butene (DMB).

75 in the reaction of dichloroketene with cis-2-butene does not fit with a simple asynchronous cycloaddi

76 ohexane (D), 1,1,2-trisubstituted 2-methyl-2-butene (E), and isobutene (F).

77 ructural investigation of precise ethylene/1-butene (EB) copolymers has been completed using step pol

78 ted via a novel pathway involving 2-methyl-1-butene enchainment in the copolymer backbone.

79 udy the adsorption and reaction of 1-epoxy-3-butene (EpB) on Pt(111).

80 o give 1-cyclohexene-3-ol, and cis- or trans-butene epoxidation (without isomerization) and hydroxyla

81 f gamma-valerolactone (GVL) over Zn/ZSM-5 to butene, followed by aromatization at high yield with co-

82 on the adduct, [(phen)M(C6H11O2)](+), are 1-butene for M = Ni and Pd and methane for Pt.

83 tal observation of products trapped by (Z)-2-butene, formation of cis- and trans-1,2-dimethylcyclopro

84 f the optical rotation of (R)-(-)-3-chloro-1-butene found a remarkably large dependence on the C=C-C-

85 cts, while trans alkenes (except for trans-2-butene) gave predominantly monoadducts.

86 The 1-butene hydride complex, (N/\N)Pt(H)(1-butene)+ (3), is a

87 ve workup of the 3-octene and 1-cyclohexyl-1-butene hydroborations.

88 ssure results in the catalytic production of butenes (i.e., ethylene hydrovinylation) and hexenes.

89 at -56 degrees C to give 3-(4-bromophenyl)-1-butene in >98% yield and selectivity.

90 of 2,3-dimethyl-1-butene and 2, 3-dimethyl-2-butene in the gas phase and methylene chloride extracts

91 thylene, propane, propylene, n-butane, and 1-butene in ZIF-8 are reported over a temperature range of

92 on of allyl benzene with cis-1,4-diacetoxy-2-butene increasing the steric bulk at the ortho positions

93 A study of the reaction of 2-butenes indicated that beta-H elimination occurs prefere

94 itated the selective oxidation of 2-methyl-2-butene into the allylic alcohol, 3-methyl-2-buten-1-ol,

95 Higher selectivity for 1-butene is found using the Ni@(Fe)MIL-101 catalyst than r

96 opy, a mixture of propylene, 1-butene, and 2-butenes is formed.

97 te-1 shows enhanced catalytic activity for 1-butene isomerization, while HPA on conventional silicali

98 and the catalytic activity is studied for 1-butene isomerization.

99 erization is favored, producing a mixture of butene isomers.

100 alpha-olefins > cis-2-butene (2.2) > trans-2-butene (<0.1).

101 reoselective with a approximately 70:30 Z-:E-butene mixture, which is a byproduct of crude oil cracki

102 (e.g., H ZSM-5, Amberlyst-70), which couples butene monomers to form condensable alkenes with molecul

103 of various hydrocarbons (methane, ethane, 1-butene, n-butane and toluene) using a solid-oxide fuel c

104 gests that "hot" ketene may react with (Z)-2-butene nonstereospecifically.

105 ty of 1-epoxybutane formation from 1-epoxy-3-butene on palladium catalysts from 11 to 94% at equivale

106 kene and alkyne metathesis), bifunctional (1-butene or 2-butenes to propylene), trifunctional (ethyle

107 1-butene), but not bulkier alkenes such as 2-butene or cyclohexene, were catalyzed by 1-H+ and the ed

108 selectivity in the conversion of ethene to n-butene or ethane, respectively, as a result of tuning th

109 f human MAO B in complex with 1,4-diphenyl-2-butene or with trans,trans-farnesol provide molecular in

110 P-mediated beta-lithiation of 2,3-dimethyl-2-butene oxide affords the corresponding allylic alcohol v

111 perfectly alternating copolymerization of 1-butene oxide and carbic anhydride using a (salph)AlCl/[P

112 Gas-phase heats of formation for the four butene oxide isomers are reported.

113 and selective for other epoxides, such as 1-butene oxide, 1-hexene oxide, and styrene oxide.

114 calculations on the O-methyl-2,3-dimethyl-2-butene oxonium ion along with transition states and inte

115 oupling product 14b with cis-1,4-diacetoxy-2-butene proceeds readily to afford the allylic acetate 14

116 0% I2 followed by addition of 2,3-dimethyl-2-butene provided the corresponding thexyl NHC-borane (diM

117 , 1-methyl-1-cyclohexene, and 2,3-dimethyl-2-butene, representing one of the most active cobalt hydro

118 a 1,2-substituted cyclobutane ring, and a 2-butene residue.

119 2-disubstituted cyclobutane ring or with a 2-butene residue.

120 low temperature to generate propylene and 2-butenes, respectively.

121 macrocyclic ring-closing reactions, where E-butene serves as the methylene capping agent, are provid

122 o catalyze the dimerization of ethylene to 1-butene slowly.

123 cross-linked gel based on a styrene/ethylene-butene/styrene triblock copolymer in mineral oil, and th

124 we show, for reaction of chlorine atoms with butenes, that the Cl addition-HCl elimination pathway oc

125 From cis-2-butene the dominant product was the bisadduct (18), whil

126 For propene and 1-butene, the low-temperature addition leads to the anti-M

127 ianion including cis-dilithio-1,4-bis(TMS)-2-butene.(TMEDA)(2)2, internally solvated cis-dilithio-1,4

128 e 5, and using only modeling, 1,4-dilithio-2-butene.(TMEDA)(2)9 reveal remarkably similar structural

129 a,alpha-dialkylation with cis-1,4-dichloro-2-butene to form polymer-bound 3-phenylsulfonylcyclopenten

130 as confirmed by trapping with 2,3-dimethyl-2-butene to form the aziridine and with oxygen to generate

131 ither intermolecularly (using 2,3-dimethyl-2-butene to generate a cyclopropane) or intramolecularly (

132 The isomerization of trans-2-butene to its cis conformer was found to be easier on Pt

133 the preference for the conversion of trans-2-butene to its less stable cis isomer on Pt(111) surfaces

134 yne metathesis), bifunctional (1-butene or 2-butenes to propylene), trifunctional (ethylene to propyl

135 3-O,O')](-) (6) that reductively eliminate 1-butene, to form [(CH2CO2-C,O)M(O2CCH3-O,O')](-) (4).

136 By incorporation of commercially available Z-butene together with robust and readily accessible Ru-ba

137 p-dimethylaminoethoxy-phenyl)-1,2-diphenyl-1-butene; Tx), a chemotherapeutic xenoestrogen, increased

138 d selectivity for butadiene hydrogenation to butenes under mild conditions, demonstrating transferabi

139 tor antagonist (+)-CP-99,994 from 4-phenyl-1-butene via Pd(0)-catalyzed asymmetric allylic and homoal

140 commercially available trans-1,4-dichloro-2-butene were converted to trans-disubstituted 5- and 6-me

141 available for the epoxidation of 2-methyl-2-butene with oxaziridines.

142 t with (E)-4-bromo-1-iodo-1-trimethylsilyl-1-butene with retention of configuration.

143 anism of the allylic oxidation of 2-methyl-2-butene with selenium dioxide was explored by a combinati

144 predicted barrier for reaction of 2-methyl-2-butene with SeO(2) being 21-24 kcal/mol lower than that

145 ch as 3-hexene, 3-octene, and 1-cyclohexyl-1-butene with the N-heterocyclic carbene (NHC)-derived bor

146 -ethoxy]phenyl]-1-(4-iodophenyl)-2-phenyl -1-butene] with the side chain (CH(2))(n) varying in length

147 tion to commercially available 1,4-dibromo-2-butene yields 3-alkyl-4-bromo-1-butene, a product of S(N