
zaan utprerak

zaan utprerak haah eka prakarcha ruthenium-aadharit organometallic complexes aahe joou olephine metathesismadhye vaparla jaato. yaa rasayanik vargache naav zheng-yun jeey yaa rasayanshastradnyachya navavarun thevanyat aale aahe, jyane tyanche pratham sanshleshan kele. zaan.
heey utprerak ruthenium sankul aahet jyat karyatmakaritya badallele alcoxybenzilidine carbine legands aahet, jeey rasayanikaritya raal, pegg cheen aanee polymerchya prushthbhagavar bandhale jaau shakatat. sanrachanatmakdrushtya samaan asalelya hoveda-grubs utprerkapramane, tyat isopropoxistyrine bhag asato, parantu phenol oxygenla carbon "parra" laa jodalela atirikt electron-droving sulphonamide gut samavisht asato. teen utprerakanpaiki, zanne utprerak-1 bii aanee-1 see yaa donhimadhye eril ringla jodalela diamethylosulphonamide bhag asato, tarr zanne utprerak-3 sulphonamide linkardware ralashi jodalela asato.
itihas.
zaan utprerak olephine metathesis kshetratil mageel karyane prerit hote. robbert etch. grubs yanni 1992 madhye changlya metathesis kriyakalapansah ruu utprerakanchya pahilya aanee dusya pidhichi nond kelee. tathapi, tricyclohexylphosiphosphone legand asalele utprerak havah aanee panyasathi asthir hote aanee utprerak kriyakalap kahee anek paryayi olephine tharansathi puresa changla nasato.
1999 madhye, amir etch. hovedane dakhavun dile qee alcoxybenzilidine legand aadharit aar. yuu. utprerak yaa legands nasalelya tyanchya grubs samakakshanpeksha uchch kriyakalap aanee changli sthirata detat. nantar, grela (2002) aanee bletchert (2003) yanni hovedachya alcoxybenzilidine legandschya badalyat samavisht karoon utprerak kriyakalapanmadhye aanakhi sudharana kelee. zanche utprerak pahilyanda 2007 madhye nondavale gele hote aanee eril ringvar diamethylsulphonamides electron-kadhanare gut samavisht aahet. zanchya dusya pidhitil utprerakanna isopropoxistyrinavirinari sulphonamide gatadware raal kinwa pegg-linked aadharasah dekhil bandhale jaate.
sudharit challeting benzylidines itar grubs-prakarchya utprerkanpramanech, eka utprerak uladhalinantar, chillet aata prasar utprerkasah sambandhit nahee, mhanje prarambh darr, oo-alcoxystyrine punarsanyojan darr aanee vividh utprerak vighatan ghatananche darr heey zaan utprerak aanee mool hoveda-grubs utprerak yanchyat bhinn ghatak aahet. 2012 madhye planio aanee sahakanyanni kelelya yantrashastriy abhyasat asey suchavale hote qee zaan sanyuge, itar hoveda-prakarchya utprerkanpramanech, spardhatmak vighatansheel aanee paraspar vinimay yantranedvare suru hotat, jyamadhye sapeksh sakriyan urja hii utprerak rachana, olephine olakh aanee pratikriya paristhitiche karya asate. tathapi, sanrachanetil vividh badalanmule sankulachya utprerak kriyakalapanvar kassa parinam jhaala heey prayogadvare konihi katekorpane sthapit karoo shakale navhate. ingale, luo, hock, grubs aanee sahakanyanni eka model vikasit kele jeey organometallic sanshleshan, pratikriya gatishastra, aine. emm. aar. spectroscopy, ksh-kiran chrystallography aanee dii. eff. tii. gananeche sanyojan vaparoon, chillated benzylidines ruthenium olephine metathesis utprerakanchya prarambh daranna tarksangat banavoo shakate. 
tayari.
utprerak tayar karnyasathi, purv-sankulavar cucle aanee isopropoxistyrine legandne upchar kele jaatat.
1998 madhye masahiko yamaguchine pratham prastavit kelelya paristhiticha vapar karoon, ethins phenolche "ortho"-vinashan vaparoon isopropoxistyrine legand tayar kele jaate. yethe, stanilacitylene tayar karnyasathi ethinmadhye ess. aine. see. ell. 4 aanee bii. yuu. aine. jodale gele, jee yaa see-see bandh nirmititil sakriy vinail prajati aahe. jodaninantar, finaulla "i"-prbr aanee bases vaparoon alkylate kele jaau shakate.
anuprayog.
grubs kinwa hoveda-grubs utprerakanchya ulat, zaan utprerak sahaj parjanyaman kinwa galanadvare punarprapt kele jaau shakatat aanee punarvapar kele jaau shakatat. zaan utprerak-1 bii aanee-1 see heey dichloromethane, dichloroethane, chloroform, ether aanee itar dravkanmadhye vidravya asatat, parantu methanol, ethanol aanee itar alcoholmadhye aghulansheel asatat. zaan utprerak-3 haah raal aanee pegg-linked aadharashi jodalela aahe, joou punarvapar karnyayogya upayuktatemadhye motha fayda deto aanee olephine metathesis pratikriyanchya utpadanat vishari dhatoo pradushanacha farsa kinwa konatahi thasa sodat nahee. yaa utprerakancha punha vapar keela jaau shakato, jyamule rasayanik aanee aushadhanirman udhyoganmadhye vyapak vapar houu shakato.