
vidyudayaskaanta praticharya

sendriya rasayana saastramlo, vidyudvislaeshanha praticharya anedi oka rakamaina pericyclic punarvyavastheekarana, ikkada nikara phalitam oka paie bandham oka sigma bandhamgaa maarchabadutundi ledhaa dheeniki viruddhamgaa untundi. eee praticharyalu saadhaaranamgaa eee krindi pramaanaala dwara vargeekarinchabadataayih
shaastreeya udaaharanalu.
najarov cyclisation reaction anedi divinylketonlanu cyclopentenonluga marche electrocyclic reaction.
3, 4-dimethyl cyclobutine yokka ushna valaya-prarambha praticharya oka uttama udaaharana. sis isomer pratyaekamgaa digubadini istundi, ayithe trans isomer trans, trans daine istundih
eee praticharya marganni sarihaddu-kakshya paddhati dwara saralamaina vislaeshanhaloo vivarinchavacchuhu praticharyalo sigma bandham phalitamgaa vachhe p-kaksyalu utpatti yokka homo (hexadian) maadirigaane samaruupatanu kaligi unde vidhamgaa teruchukuntundi. dheenini saadhinchadaaniki ekaika maargam oka connotatory ring-opening dwara, idhi terminal lobsku vyatiraeka sankethaalaku daariteestundi.
vidyudayaskaanta praticharyala yokka sthiramaina nirdishtata.
vidyudayaskaanta praticharyanu chesetappudu, praticharya yokka utpatti yokka sis/trans jyaamitini anchanaa veyadam tarachugaa manchidi. eee prakriyaloo modati dasha emitante, praticharya connotation ledhaa disrotation dwara konasagutundo ledho nirnayinchadam. diguva pattika ushna mariyu prakaasa rasayana vidyudayaskaanta praticharyala kosam empika niyamaalanu chooputundi.
krinda ivvabadina udaaharana kosam, (trans, sis, trans)-acta-2,4,6-train yokka ushna praticharya vikarshana yantraangam dwara jarugutundi. bhramana rakanni nirnayinchina taruvaata, utpatti sis ledhaa trans avtunda anie prarambha anuvunu pariseelinchadam dwara nirnayinchavacchu. diguva udaaharanalo, vikiranam rendu methyls paiki choopinchadaaniki kaaranamavutundi, deenivalla utpatti sis-dimethylcyclohexadine avutundi.
adanamgaa, vidyudayaskaanta praticharyalo tarkvoselectivity anedi bhramanam yokka disanu suuchistumdi. udaaharanaku, oka connotatory praticharya ippatikee rendu disalalo tirugutuu, ananciomeric utpattulanu utpatti chestundi. tarquoselective ayina praticharya eee bhramana disalalo okadaanni (paakshikamgaa ledhaa puurtigaa) ananciomeric adanapu utpattilo utpatti cheyadaaniki parimitam chestundi.
ushna praticharyala yantraangam.
woodward-hafman niyamaalu.
reactant yokka molecular arbitolsnu adhe cemetry unna product yokka arbitalsto anusandhaaninche sahasambandha rekhaachitraalanu, appudu rendu prakriyala kosam nirminchavacchu.
eee sahasambandha rekhaachitraalu 3,4-dimethylcyclobutine yokka connoratory ring opening matrame cemetrini anumatinchavacchani suuchistaayi, ayithe 5,6-dimethylcyclohexa-1,3-daine yokka disrotatory ring opening matrame cemetrini anumatistundi. endukante eee sandarbhaalalo matrame parivartana sthithilo garishta kakshya ativyaapti sambhavistundi. alaage, erpadina utpatti uttejita sthithilo kakunda ground sthithilo untundi.
sarihaddu paramaanu kakshya siddhaantam.
sarihaddu paramaanu kakshya siddhaantam prakaram, valayamlooni sigma bandham phalitamgaa vachhe p-kaksyalu utpatti yokka homo maadirigaane samaruupatanu kaligi unde vidhamgaa teruchukuntundi.
5, 6-dimethylcyclohexa-1,3-daine kosam, oka vikiranam mode matrame hexatrin yokka homo maadirigaane p-kakshyalaku samaanamaina samaruupatanu kaligi untundi. marovaipu, 3,4-dimethyl cyclobutine kosam, oka connotatory mode matrame pii-arbitols beautadine yokka homo maadirigaane samaruupatanu kaligi untundi.
prakaasa rasayana praticharyala yantraangam.
3, 4-dimethylcyclobutine yokka ring openingnu prakaasa rasayana paristhitulalo nirvahinchinatlayite, phalitamgaa vachhe vidyudvislaeshanha anedi conrotatory modku badulugaa disrotatory mode dwara jarugutundi, dheenini anumatinchabadina uttejita sthithi ring opening reaction kosam sahasambandha rekhaachitram dwara chudavachu.
praticharya antataa pratibimbam vimanam gurinchi samaruupata nirvahinchabadutunna oka vikiranam mode matrame, parivartana sthithilo garishta kakshya ativyaapti chendutundi. alaage, marosari, idhi reactant sammelanam yokka uttejita sthithitho polchadagina sthirathvam yokka uttejita sthithilo unna utpatti erpadataaniki daariteestundi.
jeeva vyavasthalalo vidyudayaskaanta praticharyalu.
vidyudayaskaanta praticharyalu tarachugaa prakrutilo sambhavistaayi. atuvanti atyanta saadhaarana vidyudayaskaantaalalo okati vitamin dii3 yokka jeevasansleshanha.
modati dasalo 7-dehydro collustroll yokka prakaasa rasayana prerita conrotatory ring praarambhinchi prii vitamin dii3nii yerparustundi. eah [1,7]-hydride shift taruvaata vitamin dii3nii yerparustundi.
maroka udaaharana aranotin, sahajamgaa sambhavinche oxepine mariyu daani sambandhita sammelanaala pratipaadita jeevasamshleshanhalo undhi.
phenylalanine-utpannamaina dicatopyperagine yokka enzymatic epoxidation aaren oxidenu yerparustundi, idhi 6π dirotatory ring opening electrocyclisation praticharyaku loonai cyclised oxpine utpatti chestundi. ring yokka rendava epoxidation taruvaata, sameepamloni nucleophilic natrajani electrophilic carbonpy daadi chesi, aidu sabhyula ringnu yerparustundi. phalitamgaa vachhe ring vyavastha aranotin mariyu daani sambandhita sammelanaalalo kanipinche oka saadhaarana ring vyavastha.
benzonorcaradian dieterpenoid (eah) nuu methylene chloride draavanaanni udakabettadam dwara benzocycloheptatrian dieterpenoid isosalvipuberlin (bii) gaa punarvyavastheekarinchaaru. eee parivartananu krinda chuupina vidhamgaa rendu suprophasial 1,5-sigmatropic hydrogen shiftla taruvaata vikiranam chese electrocyclic praticharyagaa oohinchavachhu.
sendriya samshlaeshanhaloo vidyudayaskaanta praticharyalu.
tarachugaa adhyayanam cheyabadina vidyudvislaeshanha praticharya benzocyclobutin yokka connoratory thermal ring-opening. praticharya utpatti chaalaa asthiramaina ortho-quinodymethane, conny eee anuvunu dials-alder adaktku melic unhydride vanti balamaina dynophile thoo endo additionloo chikkukovacchu. pathakam 2" loe varninchabadina benzocyclobutane yokka ring opening kosam rasayana digubadi pratyaamnaaya r yokka swabhaavampai aadharapadi untundi. toluin vanti praticharya draavakam mariyu 110 masim praticharya ushnogratato, methyl nundi isobutylmethyl nundi (trimethylsil) methyl varaku digubadi perugutundi. trimethylsil sammelanam kosam perigina praticharya retunu silicon hyperconjugation dwara vivarinchavacchu, endukante βc-Si bandham electronlanu daanam cheyadam dwara cyclobutane c-c bandhaanni balaheenaparustundi. 
konni endiandric aamlaala isolation mariyu samshlaeshanhaku sambandhinchi biomematic electrocyclic cascade praticharya kanugonabadindih
samakaaleena sendriya samshlaeshanhaloo asamaana vidyudvislaeshanha praticharyalu abhivruddhi chendutunna rangam. eee rangamlo atyanta saadhaaranamgaa adhyayanam cheyabadina praticharyalu 4π staddinger β-lactum samslaeshanha mariyu 4π nazarov praticharya; rendu praticharyala yokka asamaana utprerakam kairal sahayaka vadakam dwara niyantrinchabadindi, mariyu kairal levis aamlalu, branstead aamlalu mariyu kairal amainlanu upayoginchi najarov praticharya utprerakamgaa nirvahinchabadindi.

