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新型醫(yī)藥中間體的合成研究畢業(yè)論文doc-資料下載頁

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【正文】 Figure LCMS figure 0f the product (5)此圖譜為第四步產(chǎn)物(5)的譜圖,%。(6)的液相色譜質(zhì)譜圖Figure LCMS figure 0f the product (6)此圖為第五步產(chǎn)物(6)的譜圖,可以看出產(chǎn)物純度為100%。(7)的液相色譜質(zhì)譜圖Figure LCMS figure 0f the product (7)此圖為第六步產(chǎn)物(7)的譜圖,%。(8)的液相色譜質(zhì)譜圖Figure LCMS figure 0f the product (8)此圖為第七步產(chǎn)物(8)的譜圖,產(chǎn)物純度為100%,產(chǎn)物很理想(2)的核磁圖Figure NMR figure 0f the product (2)對產(chǎn)物的核磁圖分析共有14個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(3)的核磁圖Figure NMR figure 0f the product (3)對產(chǎn)物的核磁圖分析共有22個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(4)的核磁圖Figure NMR figure 0f the product (4)對產(chǎn)物的核磁圖分析共有21個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(5)的核磁圖Figure NMR figure 0f the product (5)對產(chǎn)物的核磁圖分析共有13個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(6)的核磁圖Figure NMR figure 0f the product (6)對產(chǎn)物的核磁圖分析共有15個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(7)的核磁圖Figure NMR figure 0f the product (7)對產(chǎn)物的核磁圖分析共有13個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(8)的核磁圖Figure NMR figure 0f the product (8)對產(chǎn)物的核磁圖分析共有15個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。(9)的核磁圖Figure NMR figure 0f the product (9)對產(chǎn)物的核磁圖分析共有14個氫原子,與所要化合物的化學分子式相同,是期望產(chǎn)物。結(jié) 論本反應以5甲基2氨基苯酚為原料,通過甲Boc酸酐來保護氨基,然后通過親核取代成環(huán),隨后形成鹽酸鹽,然后經(jīng)過氧化,還原,氯代最終形成所要化合物,在實驗的過程中也遇到了一些問題,例如反應路線不通,產(chǎn)率較低,純度不高,如往甲基上上氯這個路線,我們通過探索先讓甲基氧化成醛,醛再還原為羥基,最后進行氯代,使得甲基上成功上氯,使路線得以暢通,而且實驗過程中通過對實驗試劑的改變,以及試劑摩爾比的變動使得每步反應的產(chǎn)率較好,如第六步反應過程中對甲醇和水的比例的提高使產(chǎn)率從30%上升到50%以上,從而節(jié)省了大量的資源,通過對每步反應的產(chǎn)物進行核磁分析,證明所得產(chǎn)物均為所期待產(chǎn)物,而且對有些產(chǎn)物進行了LCMS分析,所得純度較好,如產(chǎn)物(5)%,產(chǎn)物(6)純度為100%,產(chǎn)物(7)%,產(chǎn)物(8)的純度為100%,這也為以后的反應的純度提供了保障,通過對這類新型醫(yī)藥中間體的研究也為腺苷A2A拮抗劑的研究給予很大的幫助,也可能會成為新型治療帕金森病藥物,有著巨大的發(fā)展前景,也為帕金森病患者帶來福音。參考文獻[1] Jankovic , Joseph. Levodopa strengths and weaknesses[J] . Neurology , 2002 , 58 (Suppl 4) :S19.[2] 索愛琴,張杰文. 帕金森病(PD)治療進展(1) [J].河南實用神經(jīng)疾病雜志, 2000 ,3 (6) :83.[3] 蔡曉杰,[J].現(xiàn)代康復,2000,4(2):182183[4] Jenner P , Olanow CW. Oxidative stress and the pathogenesis of Parkinson′s disease [J] . Neurology , 1996 , 47 : 161.[5] Jenner P. Pharmacology of dopamine agonists in the treatment of Parkinson′s disease[J] . Neurology , 2002 , 58 (4 , Supp. 1) : S1.[6] 王躍豐, 屠樹滋, 王秋娟. 帕金森病治療藥物的研究進展[J] .中國藥學雜志,1997 , 6 (6) : 417.[7] Contin M, Riva R , Albani F , et al . Pharmacokinetic optimization of dopamine receptor agonist therapy for Parkinson′s disease [J] . CNS Drugs , 2000 , 14 (6) : 439.[8] Olanow CW. The role of dopamine agonists in the treatment of early Parkinson′s disease[J] . Neurology , 2002 , 58 (suppl 1) :33.[9] [J].現(xiàn)代康復,2000,4(2):326[10] Olanow CW, Schapira AHV. Continuous dopaminergic stimulation in the early treatment of PD [J] . Trends Neurosci , 2000 , 23 : 117.[11] Schapira AHV. Neuroprotection and dopamine agonists[J ] . Neurology , 2002 , 58 (Suppl 4) :S9.[12] 劉康. 抗帕金森病藥SLV308 [J] . 藥學進展, 2001 , 25 (3) :252.[13] Yu P. Brasofensine NeuroSearch [J] . Curr Opin Invest Drugs , 2000 ,1 (4) : 504.[14] Hansard MJ , Smith LA. The antiparkinsonian ability of bupropion in MPTP2treated mom marmosets[J] . Br J Pharmacol , 1998 , 125 (Suppl) : s66.[15] Negrotti A , Bizzarri G, Calzetti S. Long2termpersistence of symptomatic effect of selegiline in Parkinson′s disease. A two2months placebo controlled withdrawal study [J] . J Neural Transm , 2001 , 108 (2) :215.[16] Rabey JM, Sagi I , Huberman M, et al . Rasagiline mesylate , a new mao2B inhibitor for the treatment of Parkinson′s disease : a double blind study as adjunctive therapy to levodopa Clin [J ] . Neuropharmacol , 2000 , 23 (6) : 324.[17] Chazot P. Safinamide (Newron Pharmaceuticals) [J] . Curr Opin Invest Drugs , 2001 ,2 (6) :809.[18] Dingemanse J . Issues important for rational COMT inhibition [J] .Neurology , 2000 , 55 (11 , Suppl 4) :S24.[19] Jonkers N , Sarre S , Ebinger G, et al . MK801 influences l2DOPA2induced dopamine release in intact and hemiparkinson rats [J] . Eur J Pharmacol , 2000 ,407(3) :281.[20] Shiozaki S , Ichikawa S , Nakamura J , et al . Actions of adenosine A2A receptor antagonist KW26002 on drug2induced catalepsy and hypokinesia caused by reserpine or MPTP [J] . Psychopharmacology ,1999 , 147 (1) : 90.[21] Kanda T , Jackson MJ , Smith L , et al . Combined use of the adenosine A2A antagonist KW26002 with l2DOPA or with selective D1 or D2 dopamine agonists increases antiparkinsonian activity but not Dyskinesia in MPTP2treated monkeys [J] . Exp Neurol , 2000 , 162 (2) :321.[22] 陳彪,劉焯霖,王楓,中國帕金森病遺傳研究進展[J].中華神經(jīng)科雜志2005,38(3):160164.[23] 宋璐,馬雅萍,劉振國,巴茂文. 腺苷A2A受體拮抗劑改善帕金森病運動并發(fā)癥[J].中華神經(jīng)科雜志,2008,41(12):5560.[24] Knutsen, L. J. S.。 Weiss, S. M. KW6002, Kyowa Hakko Kogyo[J]. . InVest. Drugs 2001, 2 (5), 668–673.[25] Bohn , MC. Parkinson′s disease : a neurodegenerative disease particularly amenable to gene therapy [J] . Mol Therapy , 2000 , 1(6) : 494.[26] [M].北京:高等教育出版社,1993: 5960.[27] 朱明華,[M].北京:高等教育出版社,2008:358424.34
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