Methods of synthesis of three kinds of u03b1 - substituted myristic acid derivants are reported . The structure of the new compound u03b1 - ( p-nitrophenoxy ) myristic acid is determined by elemental analysis and spectrum analysis .

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Methods : Substituted thiophenols were used as starting material the target compound was synthesized through several steps and their in vitro antifungal activity was studied .

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With pymetrozine as lead compounds lead aryl-isoxazole ring substituted the pyridine ring in pymetrozine designed and synthesized a new compound .

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Both optical absorption spectra and optical constants of vacuum sublimed films ofa metal substituted phthalocyanine comPOund ( MPc ) were studied .

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The substituted group on the bipyridyl ligand in compound 2 lost C_2H_4 neutral molecule under a higher CID fragmentation ( such as CID 110 V ) and its single charge ion was more stable than its double charge ion .

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In the rearrangement of 8 8-OEt substituted compound 13b was obtained and this is may be an evidence of 8-C cation formation .

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Under the same condition the half-wave potential of 2-methyl substituted compound is ca. 120 mV lower than the unsubstituted one .

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Among them the symmetrical substituted compound 2 and 6 had higher activity than mono - substituted compound 3 4 and 7 . Especially compounds 2a-2f remarkably exhibited higher inhibition in comparison with artemisinin and artesunate .

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Among the derivatives of honokiol which is substituted 5-FU the inhibitory activity of compound with chlorine substituent at meta position is best .

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Another serial of 2 5-bis ( substituted ) benzylidene w_1775 - cyclopentanone derivatives were design and synthesized by structural reformation and modification of lead compound curcumin .

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The toxicity of the substituted aromatic compounds was mainly induced by two processes : first the penetration of these compounds through the cell membrane ; then the occurrence of these compound reaction with organism species .

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Synthesis of Substituted Tetrahydroimidazo 1 w_866 pyridone Compound

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Syntheses and characterization of carbonyl substituted derivatives of feco_2 ( co ) _9 (u03bc _3-s ) cluster compound

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Substituted 4 u2032 - biphenyldicarboxylate compound is a kind of good rigid bridge-linking ligand which can be used to make nano-porous materials .

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Synthesis of n_ ( 1 u2032) - substituted derivatives of indirubin an antileukemic compound

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Inorganic acid is substituted with cyanuric acid to synthesize organic lead salt . Auxiliary heat stabilizer and multi-function assistants with synergistic effect are selected . Specially for the processing of PVC plastics XDW high-efficiency multifunction organic lead-salt compound stabilizer is prepared by reasonable formula and special process .

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The synthesis of one 17 u03b1 - ( prop-1-ynyl ) - 11 u03b2 substituted steroid compound is reported and a simple proc - ess of preparing propyne gass is stated in detail .

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When less than 10 % of the silica particles were substituted with KH-570 hybridized compound particle the performances of silicone rubber were better than the silicone rubber modified by the fumed silica .

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The allyl substituted cyclopentadienyl ligand was synthesized in the method of phase transfer then the metallocene compound MC was accordingly synthesized on the basis of the ligand .

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Toluene is the simplest substituted aromatic compound and its oxidation reaction is a typical example of the aromatic hydrocarbon oxidation .

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