نتایج جستجو برای: methylamines
تعداد نتایج: 112 فیلتر نتایج به سال:
Synthesis of N-substituted (6-benzyl-4,4-dimethyl-2-cyclohexenyl)methylamines and related compounds.
Human kidney cells are under constant urea stress due to its urine concentrating mechanism. It is believed that the deleterious effect of urea is counteracted by methylamine osmolytes (glycine betaine and glycerophosphocholine) present in kidney cells. A question arises: Do the stabilizing osmolytes, non-methylamines (myo-inositol, sorbitol and taurine) present in the kidney cells also countera...
Rovibrational structures of methylamines (CH3NH2 and CH3ND2) in predissociative à states (3s – n) are investigated using ~111! resonant-enhanced two-photon ionization ~R2PI! spectroscopy. A part of experimental results was briefly reported earlier @J. Chem. Phys. 117, 10057 ~2002!#, and full detailed results and analyses are given here. Spectral origins are determined to be 41 669 and 42 038 cm...
Accurate and precise ionization energies of methylamines (CH3NH2 and CH3ND2) are determined to be 9.042260.0012 and 9.053260.0012 eV, respectively, by ~1118! two-photon mass-analyzed threshold ionization ~MATI! spectroscopy. From selective ionizations from specified intermediate quantum states, fundamental frequencies of amino-wagging and CH3-rocking modes of CH3NH2 1 (CH3ND2 ) in D0 states are...
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