Muaj Siab thov kom Tshuaj Intermediates

Tom qab ze li 50 xyoo ntawm kev txhim kho, Tuam Tshoj cov tshuaj tua kab mob have-lactam tau tsim ib txoj kev ua tiav tiav. Hauv xyoo 2012, yuav luag txhua qhov antibiotics-lactam cov tshuaj tua kab mob (tshwj tsis yog cov ntau yam hauv lub sijhawm patent) tuaj yeem tsim tawm hauv Suav teb, thiab tus nqi qis heev. Kev tsim cov tshuaj penicillin yog nyob rau hauv txoj hauj lwm saum toj kawg nkaus hauv lub ntiaj teb, thiab cov neeg xa tawm coob yog xa tawm mus rau thoob ntiaj teb ua lag luam; cephalosporins cia li ua nws tus kheej. Kuj tuaj yeem sib ntaus sib tua rau ib feem ntawm txoj kev xa tawm.

Hauv 2012, txhua tus neeg siv tshuaj sib xyaw ua ke nrog antibiotics-lactam cov tshuaj tua kab mob tuaj yeem tsim los ntawm peb tus kheej. Tsuas yog suav cov khoom lag luam ib nrab ntawm cov tshuaj tiv thaiv ib nrab ntawm cov hluavtaws, 7-ACA thiab 7-ADCA, txhua txoj saw hlau ib tog yuav tuaj yeem tsim tawm, thiab ntau ntawm kev xa tawm.

Noj phenylacetic acid, lub ntsiab txhawb nruab nrab ntawm antibiotics-lactam cov tshuaj tua kab mob, piv txwv li, muaj ze li 30 phenylacetic acid tsim nyob rau hauv Suav nrog tag nrho txhua xyoo kev tsim muaj peev xwm ntawm txog 20,000 tons. Txawm li cas los xij, feem ntau cov tuam txhab lag luam me me hauv qhov loj me, nrog qhov loj tshaj plaws txhua xyoo tsim tawm ntawm 2,000 tons, thiab lwm qhov loj loj nyob rau hauv ntau xyoo ntawm ntau pua pua tons. Hauv 2003, tag nrho cov kev thov hauv tebchaws rau phenylacetic acid yog li ntawm 14,000 tons. Tus qauv noj yog: penicillin G lees paub txog 85%, lwm yam tshuaj muaj txog 4%, cov tshuaj tsw qab muaj 7%, thiab cov tshuaj tua kab thiab lwm cov teb muaj txog 4%.

Nrog rau kev txhim kho cov txuj lom hauv tsev, tshuaj, tshuaj tua kab thiab lwm yam kev lag luam, qhov kev thov rau phenylacetic acid yuav nce ntxiv. Nws kwv yees tias los ntawm 2005, Tuam Tshoj txoj kev lag luam kws tshuaj yuav haus txog 14,000 tons ntawm phenylacetic acid, kev lag luam tshuaj tua kab yuav haus 500 tons, thiab kev lag luam txuj lom yuav haus txog 2,000 tons. Ua ke nrog kev noj nyob rau hauv lwm cov haujlwm, kev xav tau tag nrho hauv tebchaws rau phenylacetic acid yuav tsum ncav 18,000 tons hauv 2005.