Abstract:acetone catalyzed chloride mme e hlahisoa ke solvent crystallization ho 1,1,3-trichloroacetone e nang le bohloeki bo phahameng bo seng ka tlase ho 99.0%, ka lihlahisoa tsa 45%o Mantsoe a bohlokoa:1,1,3-trichloroacetone;synthesis; bohloeki bo phahameng

———-. Ketapele

1,1,3■ trichloroacetone ke karolo e bohareng ea bohlokoa tlhahisong ea folic acid.Hajoale,1,1,3.acetone trihloropacetone,nako e telele ea tlhahiso(lihora tse 48), khetho e fokolang,kotulo e tlase,1,1,3- litaba tsa trichlorropacetone li ka bang 17% feela, ka mor'a ho ntšoa ha metsi, likahare tsa eona ke 51.9% feela. 'Me litšenyehelo tsa tlhahiso li phahame, ho lokisoa ha lihlahisoa ho tlaase. Tsena kaofela li lebisa litšenyehelong tse phahameng tsa tlhahiso ea folic acid lapeng, ho thata ho ntlafatsa litaba le tse ling. mathata Ka mor'a liteko le lithuto tse ngata, re ile ra eketsa lebelo le ho laola fou chlorine lebelo, ho fokotsa nako ea ho arabela ho 1,1,3-3 trichlorropacetone ka lihora tse 24, le 1,1,3-3 trichlorropacetone crystallization ka bohloeki bo fetang 99% le kotulo e fetang 45%.

II. Karolo ea liteko

1. karabelo

000 0

1. II.

　　CHACCa+Cl:—ClCH.₂CCH.₃+Cl.₂CHCHCH.₃+C1CH.₂CCH.₂C1+

1. Mehato ea liteko

Ka botlolong ea melala e mene e nang le 500ml spherical condenser, tekanyo e itseng ea acetone le catalyst e ile ea tsosoa 'me ea tšeloa chlorine ka mocheso o arabelang oa 10 ~ 30 W.Qala nako, emisa ho feta ka chlorine lihora tse' maloa ka mor'a karabelo, 'me u tsoele pele. e hlohlelletsang hora ea 1. Sehlahisoa se khethehileng se kang se entsoeng se ile sa kenngoa motsoako o hlahisoang, se hlohlelletsa hora ea 1 ha se ntse se pholile ho 10 ° C crystallization, se ntša 1,1,3-trichloroacetone.

1. 1,1,3. Boikemisetso bo khethiloeng ba bohloeki ba trichloroacetone

Varin 3700 gas chromatograph, QF ・ kholomo e le 'ngoe ea ho tlatsa le mochini oa FID li ile tsa sebelisoa ho khetha phaello ea bohloeki ba sehlahisoa le tharollo ea chloride.

1. Liphetho tsa lipuisano
2. Tšusumetso ea catalyst ho khetho ea chloride e bontšitse khetho ea acetone chlorination

Tšusumetso e kholo, Letlapa la 1 le thathamisa sehlopha sa liphetho tsa liteko.

　　motsoako oa amine catalyst ke molemo ka ho fetisisa, ho fihla ho 57.5% o. Maemo a teko: Innl acetone, 3nr) l chlorine, catalyst 0.6g, mocheso 1030 ° C,

nako lihora tse 18. Ka hare ho lihora tse 12 va:3.9 Cao h;2

〜7 lihora,vq:27 Cao h;7〜 lihora tse 18,VQ:3.9 ho h.Letlapa la 1.Liphello tsa tšusumetso ho khetho ea sehlahisoa

1. Phello ea lebelo la chlorine karabelong

Teko e fumane hore chlorine e ts'oanang e na le khetho e mpe ea sehlahisoa, e ntlafatsang khetho ea sehlahisoa le chai haholo.

Lethathamo la 2 le thathamisa lethathamo la lintlha tsa tlhahlobo.

Letlapa la 2 Liphello tsa lebelo la pass-chlorine ho khetho ea lihlahisoa

Teko^boemo:]Petri dish 1 acetone,catalyst:composite class 0.6go

Teko e ile ea fumana hore fluchlorine e ne e le pele (lihora tse 12) 'me hamorao (lihora tse 8 24), boholo ba chlorine e baleha hore karabelo e ne e lieha le bohareng (28 h) e ne e le kapele. li fokotsehile haholo.Liphetho li bontšitse hore 1,1,3 e hlahisitse butle ho feta

1,1-dichloroacetone.Nakong ea karabelo le

chloride, chloride, acetone,1,1,4003000,

CICH2CCH3

o.

ke hore_II.chlorination sehlopheng sa submethyl e ne e le ngata

ka potlako ho feta ka methyl group.Ka hona, the

Sengoli se lumela hore ts'ebetso ea tlhahiso ea acetone chloride ke:

Boitšoaro bo etsoa ka V1 1 2-5 e le ts'ebetso ea mantlha.

Ho latela data ea Lethathamo la 2, tatellano ea lebelo la karabelo ea mohato ka mong ke

　　V2^”3^1 2 5>V4

Ho ipapisitse le lebelo la karabelo la mohato ka mong,

E ka bonoa ho data ea Letlapa la 3 hore, ka lebaka la phapang e nyane ea ntlha e belang lipakeng tsa 1,1,3.trichloroacetone le lihlahisoa, ka kakaretso ho thata ho arola ho ntšoa ha metsi le karohano ke mokhoa o bonolo. lihlahisoa li ka tlosoa, bohloeki bo thata

re laola lebelo la chlorine ea ho feta sethaleng ka seng,

ho fihlela sepheo sa ho fokotsa nako ea chlorine le ho thibela khetho ea ho eketsa lebelo la bobeli la karabelo ka 1,1,3 trichloroacetone.

1. Ho hloekisoa ha kristale ka metsi Ho ea ka lingoliloeng, hangata ho

mokelikeli oa acetone chloride o ntšoa kapa o hloekisoa ka metsi ho eketsa litaba tsa 1,1,3-trichloroacetone, 'me mongoli o sebelisitse 1,1,3-trichloroacetone ho crystallization ho tsoa lihlahisoa tse ling.

Letlapa la 3 le thathamisa bohloeki ba sehlahisoa se fumanoang ka mekhoa e fapaneng ea karohano.

Letlapa la 3.Bohloeki ba sehlahisoa bo fumanoang mekhoeng e fapaneng ea karohano

ho tsoela pele ho ntlafatsa.Bohloeki ba sehlahisoa bo fihla ho feta 99%, 'me chai e boetse e phahame ka ho fetisisa ka mekhoa e mengata, ho fihla ho 45%o.1 Mokhoa o hloka 1,1,3-trichloroacetone content ea K ho feta 50% chloride. tharollo.

Khetha e loketseng motsoako oa amine catalyst, laola butle chlorine thibela mathoasong a le morao-rao ka 10 ~ 30 ° C, ka etsa 1,1,3-trichloroacetone chloride, e hloekisitsoeng ka solvent crystallization e khethehileng, fumana sehlahisoa sa crystalline se seng ka tlase ho 99.0%, ka lihlahisoa ea 45%, empa 1,1,3-trichloroacetone ka har'a motsoako oa chloride e tlameha ho ba kholo ho feta 50% o.Athena CEO

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