
sink-chembu dambathikal

sink-chembu jody sink, chembu ennivayude oru misralohamaanu, ithu jaiva samanvayathil oru reactoraayi upayogikkunnu. 1959ll simmonsum smith aalkkeenukalude simmons-smith cyclopropanationil oru oorgaanoosing riyejant roopeekarikkunnathinu aavashyamaaya sinkinte sajeeva uravidamaayi ithu prayogichathaayi report cheythathinu sheshamaan "dambathikal" janapriyamaayath. sajeevamaaya sink loham aavasyamulla mattu prathikaranangalil eee dambathikal oru reactoraayi vyaapakamaayi prayogikkappettittundu. sink-chembu dambathikal karsanamaayi nirvachikkapetta raasaghadanayeyo aloy ghadanayeyo soochippikkunnilla. dambathikalkku chembinteyum sinkinteyum vyathyastha anupathangal adangiyirikkaam; sinkinte alavu saadhaaranayaayi 90 sathamaanathil kooduthalaanu, ennirunnaalum sinkinteyum chembinteyum samanamaaya anupaathamulla oru aloy chila sandarbhangalil upayogikkunnu. irunda niramulla podiyaayi eee dambathikal palappozhum thayyarakkukayum substrateumaayi thaarathamyappeduthumbol alppam adhikamaayi upayogikkunnathinu munbu oru etherial laayakathil slurring cheyyukayum cheiyunnu. dambathikalude upayogathinu chembu upayogichu sink sajeevamaakkunnath athyaavasyamaanu, ennaal eee phalatthinte uthbhavam moshamaayi rekhappeduthiyittundu. chembu lohathinte uparithalathil sinkinte prathipravartthanam vardhippikkunnuvennu anumaanikkappedunnu.
synthesis.
sink-chembu dambathikal thayyarakkiyathu niravadhi reethikaliloodeyaanu, avaa pradhaanamaayum chembinte uravidavumaayi bandhappett vyathyaasappedunnu, mathramalla sinkinte bhauthika avasthayaaya singhumaayulla chembinte anupaathavum (udha.jii. podi allengil granuelukal), protic aasidukaludeyum mattu aditteevukaludeyum upayogam, thayyaaraakkunnathinte thaapanila. mikkappozhum upayogathinu munbu dambathikal srishtikkappedukayum verpeduthappedukayum cheiyunnu, ennaal vazhikal lohasambharanathinte sambharana roopangalaayi vivarichittundu. mikka reethikalilum amithamaayi upayogikkunna sink upayogichu ooksidais cheytha chembu inam kuraykkunnathu ulppedunnu.
sink-chembu dambathikalude samanvayathinulla aadyakaala reethi sink podiyum chembum (ii) ooksaidum hydrajan vaathakavum 500 digri selshyasil samskarikkuka ennathaayirunnu. sink podi hydrochloric assid chembu (ii) sulfate upayogichu samskarikkunnathiloode kooduthal soukaryapradavum vilakuranjathumaaya oru reethi munnott pookunnu. sink podiye chembu upayogichu samskarikkunnath (ii) choodulla asattik aasidil asattett monohydrate upayogikkunnathu valare punarulppaadippikkaavannathu reportund. reflexing eetharil sink podikku thulyamaaya oru chembu (i) chloridine (allengil chembu podi) thulyamaaya oru prathipravartthanathiloode eee dambathikalkku sittuvil srishtikkappedaam.
reethi thiranjedukkunnathu praadhamikamaayi nirnnayikkunnath aaplikkeshanaanu. punarulppaadippikkaavunna swabhaavamulla sink-chembu dambathikalude aavasyakathayaanu puthiya reethikalude vikasanathinu prachodanamaayathu.
apeksha.
sink-chembu dambathikal jaiva samanvayathil, prathyekichu aalkkeenukalude simmon-smith cyclopropanationil vyapakamaaya upayogam kandethiyittundu. eee prakriyayil, dambathikal (saadhaaranayaayi oru eetheeriyal laayakathile oru slurry) methylene iodidemaayi prathipravartthichu iodomethylsing iodide uthpaadippikkunnu, ithu cyclopropanation utharavaadithamulla intermediattaanu.
carbonyl samyukthangalude reductive kaplinginte promoter enna nilayilum electron-kuravu aalkkeenukalum aalkkainukalum kuraykkunnathilum, oru dehalogenating reactoraayi, konjugettu aditionaayi alkail sink reactors srishtikkunnathinum dambathikale niyamichittundu. α, α '-dibromo kettonukalude sink-chembu jody-madhyastha cyclododition nirakk 1,3-daine aayi vardhippikkunnathinu sonikkeshan upayogichittundu.

