
sailenla dehydrogenative coupling

sailenla dehydrogenative coupling anedi sii-sii bandhaala erpadataaniki oka praticharya rakam. eppuduu vaanijyeekarinchabadanappatiki, konni dicylanelatho paatu polycylanela samslaeshanha kosam praticharya pradarsinchabadindi. eee praticharyalaku saadhaaranamgaa utprerakaalu avasaram.
metalocene aadhaarita utprerakaalu.
titanosine mariyu vaati sambandhita sanklishtatalu vilakshanhamaina utprerakaalu. oka saadhaarana praticharyalo phenylsilane untundih
paaraa-mariyu meta-pratyaamnaaya phenylsilanelu takshaname polymerise avtayi, conny ortho-pratyaamnaaya polymerlu erpadatamlo viphalamayyayi. polymerlu telupu/rangulenivi, sendriya dravakalalo karaganivi mariyu karigevi. cross linking gamaninchabadaledu.
cp2ti (oph) 2nii utprerakamgaa upayoginchi, vinailitraiyaaksisilen samakshamlo phenylsilane yokka dehydrogenative coupling trioxycillivinail groupto muginchabadina paalisilennu utpatti chestundi.
itara utprerakaalu.
nickel (i) complexes [(diappe) nii (μ-h)] 2 konni sailenla dehydrogenative couplingnu prothsahistundi. dehydrogenative coupling praticharyalaku utprerakaalu saadhaaranamgaa parivartana loha samudayaluga untaayi, magnitium oxide mariyu calcium oxide phenylsilane yokka dehydrogenation prothsahistaayi. vaividhyamaina prakriya kaavadamtho, utpattulu utprerakam nundi sulabhamgaa vaeru cheyabadataayi. wilkinson utprerakaanni upayoginchi praadhamika sailenla dehydrogenative coupling nemmadigaa untundi mariyu hetch2 utpattini tolaginchadampai aadharapadi untundi. eee marpidi sii-hetch bandham yokka aakseekarana jodimpu mariyu dihydrogen tolagimpu dwara konasaagutundi. trice (pentafluorophenyl) boraine (bii (sii6eff5) 3) anedi trutheeya sailenla dehydrogenative couplingku maroe utprerakam. eee vyavastha sii-hetch baandlu verses sii-sii baandlaku empika cheyabadina upayogakaramaina lakshanaanni kaligi undhi, idhi takkuva saakhalu mariyu marinta sarala paalimarlaku daariteestundi. eee utprerakam mukhyamgaa theols mariyu trutheeya sailenlu ledhaa diasylanelaku sambandhinchina praticharyalalo upayogapadutundi.
hydrosylanela sambandhita praticharyalu.
okadaanitoe okati jatacheyabadadamto paatu, trutheeya sailenlanu carboxylic aamlaalatoe kalipi silil estarlu erpadataayi. dheeniki ruu3 (koo) 12/iti manchi utprerakam. eee praticharya vistruta shreni sailenlu mariyu aamlaalaku vartistundi. silil estarlu utpatti cheyadaaniki kooda [kyuu (pf3) 3cl] sanklishtatanu upayoginchavacchu.
trutheeya sailenlanu utprerakam tpme2pt (Me) 2h (tpme2 = hydrido triss (3,5-dimethylpyrazolyl) borate) upayoginchi sugandha valayaalatoe dehydrogenativega jatha cheyavachu. udaaharanaku, eee platinum utprerakaanni hydrogen vaayuvunu tholaginchadamtho, phenyltrithylsylane utpatti cheyadaaniki benjeentho triathyl sailentho charya cheyadaaniki upayoginchavacchu. idhi oka adbhutamaina utprerakam endukante idhi hydrogen sweekarta avasaranni tolagistundi, idhi saadhaaranamgaa sii-hetch bandham yokka nissabdam kosam avasaram. phenyl ringto anusandhaaninchabadina aidu ledhaa aaru-sabhyula silicon kaligina valayalanu utpatti cheyadaaniki eee praticharyanu anuvula lopala kooda cheyavachu. adanamgaa, tributilsilennu adhe prakriya dwara sambandhita chakriya organosilenga maarchavacchu. ayithe, eee utprerakaaniki oka lopam emitante, dheeniki chaalaa kathinamaina praticharya paristhitulu avasaram (saadhaaranamgaa intermolecular praticharyaku 24 gantala paatu 200 masim, intramolecular praticharyalaku 48-72 gantalu). idhi kooda pratyaekamgaa regioselective kaadu, kabatti pratyaamnaaya benzene kaligi unna prarambha padaarthaalu utpattula mishramaaniki daariteestaayi.
sailen yokka polymerisation.
paalisilaenlanu utpatti cheyadaaniki upayoginche konni paddhatulu musugu disleenla polymerisation,
dichlorosylanela vidyudutpatti taggimpu,
polymer lakshanaala.
eee praticharyala nundi utpattulanu gurtinchadaaniki mariyu vargeekarinchadaaniki konnisaarlu 1h mariyu 29si nmr spectroscopyni upayoginchavacchu.
paraaruna spectroscopy kooda upayogakaramgaa undavacchu, endukante idhi utpatti trutheeya sailen kaadaa anie suuchimchagaladu. sii-hetch yokka stretch sumaru 2100 mariyu 910 sem. mea.-1 vadda kanipistundi. trutheeya sailenla vishayamlo, ayithe, 910 sem. mea.-1 vadda sikharam kanipinchadu. eee sikharaalalo maarpu ledhaa maarpu polymer parimaanam dwara prabhaavitamavutundi.