• No results found

methyl group (―CH3)

Methyl group assignment using pseudocontact shifts with PARAssign

Methyl group assignment using pseudocontact shifts with PARAssign

... The results presented in this study demonstrate possibilities and limitations for use of PCS in the assignment of protein methyl group resonances. The simulations show that, with complete input, the search ...

13

Methyl group donors abrogate adaptive responses to dietary restriction in C. elegans

Methyl group donors abrogate adaptive responses to dietary restriction in C. elegans

... functionality of LDs. Many LD regulatory genes are con- served from worms to humans. Moreover, it has been shown that dietary factors, such as vaccenic acid, also regulate LD functionality (Zhang et al. 2010a). We have ...

12

The (C H) bond dissociation energy in the methyl group of toluene

The (C H) bond dissociation energy in the methyl group of toluene

... A, kinetic study of the pyrolysis of toluene by a flow technique has been made, and assuming Szwarc's mechanism, two activation energies (78.3 and 84 kcal/mole depending on the temperature range used) have been derived ...

41

Nutritional and hormonal modulation of diabetes perturbed folate, homocysteine, and methyl group metabolism

Nutritional and hormonal modulation of diabetes perturbed folate, homocysteine, and methyl group metabolism

... increased glucose, or increased circulating counter-regulatory hormones to insulin may be a signal for regulating homocysteine and methyl group metabolism. This regulation likely occurs at the level of ...

150

cis 2,4 Di­nitro 6,8 dipropionyl 1H,5H 2,4,6,8 tetra­aza­bi­cyclo­[3 3 0]­octane, a precursor of the energetic compound `bi­cyclo HMX'

cis 2,4 Di­nitro 6,8 dipropionyl 1H,5H 2,4,6,8 tetra­aza­bi­cyclo­[3 3 0]­octane, a precursor of the energetic compound `bi­cyclo HMX'

... except for the methyl group in the low-occupancy (21%) form of the propionyl on N6, which was ®xed at a staggered location. The H-atom displacement parameters were speci®ed to be isotropic, with a value ...

11

(11SR,15SR) 9,10,11,15 Tetra­hydro 9 [(1SR) 1 meth­oxy­ethyl] 9,10 [3′,4′]­furan­oanthracene 12,14 dione

(11SR,15SR) 9,10,11,15 Tetra­hydro 9 [(1SR) 1 meth­oxy­ethyl] 9,10 [3′,4′]­furan­oanthracene 12,14 dione

... 1-methoxyethyl group. Torsion angles for this group are given in Table ...the methyl group relative to the ring system and the orient- ation of the anhydride ring away from the methoxy ...

9

Densities Of Alkyl And Aryl Homologues

Densities Of Alkyl And Aryl Homologues

... of methyl group is comparable to that of substituent group, an increase in density of the whole molecule is ...of methyl group is small and becoming smaller and smaller compared to the ...

6

(1R,2S,4S,4aS,8S,8aS) 4 Hy­dr­oxy 8,8a di­methyl 10 oxo 2,3,4,7,8,8a hexa­hydro 1H 4a,1 (ep­­oxy­methano)­naphthalen 2 yl acetate

(1R,2S,4S,4aS,8S,8aS) 4 Hy­dr­oxy 8,8a di­methyl 10 oxo 2,3,4,7,8,8a hexa­hydro 1H 4a,1 (ep­­oxy­methano)­naphthalen 2 yl acetate

... the methyl group belonging to the two decaline rings are in an axial position, whereas the other methyl group and the acyl group occupy the sterically preferred equatorial ...

9

exo 3,6 Di­hydro 3 methyl 2 (toluene 4 sulfonyl) 1λ4,2 thia­zine 1 oxide

exo 3,6 Di­hydro 3 methyl 2 (toluene 4 sulfonyl) 1λ4,2 thia­zine 1 oxide

... & Wagner, 1972). The reaction product contained two isomers in the ratio 4:1 with different orientations of the S O bond relative to the methyl group. The exo isomer has the S O bond cis to the ...

8

5 tert Butyl 3 methyl 1H pyrazole at 240 K

5 tert Butyl 3 methyl 1H pyrazole at 240 K

... 1994; Aguilar-Parrilla et al., 1995; Fletcher et al., 1997; CSD refcodes WILBAU, YULNUO and RIVBAZ, respectively), the dimeric association is the only hydrogen-bonding mode observed. The aim of this paper is to study the ...

10

(E) (25S) 23 Acetyl 5β furost 22 ene 3β,26 diol

(E) (25S) 23 Acetyl 5β furost 22 ene 3β,26 diol

... OH group [occupancies for resolved sites are ...The methyl group at C20 attached to ring E is also oriented toward the face, avoiding steric hindrance with the carbonyl O atom of the acetyl ...

11

A methyl coordinated RhIII ion in methyl­penta­amminerhodium(III)–chloro­pentaammine­rhodium(III)–di­thionate (0 73/2 27/3)

A methyl coordinated RhIII ion in methyl­penta­amminerhodium(III)–chloro­pentaammine­rhodium(III)–di­thionate (0 73/2 27/3)

... ammine groups equatorial to the methyl group is 2.067 (1) AÊ, and the RhÐN distance of the ammine group trans to the methyl group is signi®cantly longer by 0.11 AÊ with a value of 2.177 ...

8

A Study of Pungency of Capsaicinoid as Affected by Their Molecular Structure Alteration

A Study of Pungency of Capsaicinoid as Affected by Their Molecular Structure Alteration

... Thirdly the methyl group attached to the 8- numbered carbon atom is concluded not to be dispensable, hence might be nonessential or neglectful. Let us have a paral- lel comparison on the pungency of two ...

7

I  Hapten Inhibition Studies with a Series of Local Anesthetics Derived from Piperidino Alcohols  II  The Incorporation of C^(14) Carboxyl Labeled Leucine by Serum Proteins

I Hapten Inhibition Studies with a Series of Local Anesthetics Derived from Piperidino Alcohols II The Incorporation of C^(14) Carboxyl Labeled Leucine by Serum Proteins

... If only the values obtained in the second series are considered it is calculated that the effect of a methyl group in the six position is to decrease the free energy of combination by 16[r] ...

115

N,N Di­methyl 2 (2 naphthyl­­oxy)­acet­amide monohydrate1

N,N Di­methyl 2 (2 naphthyl­­oxy)­acet­amide monohydrate1

... amnesic agent. One methyl group of the dimethyl-substituted N atom appears to be disordered over two sites. In the crystal structure, the water molecule is involved in intermolecular hydrogen bonds with two ...

8

Walden inversion in the pentose series

Walden inversion in the pentose series

... the introduction of the p-toluenesulphonyl residue had had a pronounced stabilising effect on the henzyiidene group. The use of hydrogen chloride in methanol and acetone containing water in concentrations up to ...

96

Effect of substituents in aromatic hydrogen exchange : an examination of the Additivity Principle

Effect of substituents in aromatic hydrogen exchange : an examination of the Additivity Principle

... Additivity Principle had also utilised the methyl group This kinetic study of the methyl group was supplemented by a proton magnetic resonance study of the polymethylbenzenes in which ch[r] ...

190

Effect of substitutes in aromatic hydrogen exchange : an examination of the Additivity Principle

Effect of substitutes in aromatic hydrogen exchange : an examination of the Additivity Principle

... Additivity Principle had also utilised the methyl group This kinetic study of the methyl group was supplemented by a proton magnetic resonance study of the polymethylbenzenes in which ch[r] ...

190

HCMV Promotes Breast Cancer Metastasis: Impacts of CMVIL-10 in the Tumor Microenvironment

HCMV Promotes Breast Cancer Metastasis: Impacts of CMVIL-10 in the Tumor Microenvironment

... Absolute photoionization cross sections of the molecules γ-butyrolactone (GBL), γ-valerolactone (GVL), α-angelicalactone (AAL), and γ-methylene-γ-butyrolactone (GMGB), including partial ionization cross sections for ...

138

Spectroscopic Investigation and Qualitative Analysis on Some Anti Malarial Drugs Primaquine Phosphate and Chloroquine Phosphate

Spectroscopic Investigation and Qualitative Analysis on Some Anti Malarial Drugs Primaquine Phosphate and Chloroquine Phosphate

... Infrared spectroscopic methods are being extensively used to identify the structural groups present in a compound. Suther and his co- workers (1) suggested an interesting method of assigning group frequencies ...

9

Show all 10000 documents...

Related subjects