Cov Hmoov Desters Txhim Kho Cov Postate Ntim Cas: 164656-23-9

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Dutasteride yog lub zog 5 -}}}}}}}} reductase dav siv los kho benign prostatic hyperplasia (bpph). Nws cov khoom siv raw yog cov tseem ceeb tivthaiv ntawm kev npaj tshuaj, muaj siab huv thiab tshuaj lom neeg lub cev thiab tshuaj lom neeg. Kab lus no yuav ntsuas cov khoom siv nyiaj ua ntu zus los ntawm cov khoom siv tshuaj lom neeg, cov txheej txheem tsim khoom, kho kom zoo, daim ntawv thov kev lag luam thiab kev ua lag luam.

### 1. Tshuaj lom neeg thiab cov qauv

1. ** Cov ntaub ntawv yooj yim **

- ** tus lej lej **: 164656-23-9

- ** Cov mis molecular ** ** C27H30F6N2O2

- ** Molecular hnyav **: 528.54 g / mol

- ** Iupac Npe **: (5, 17)-{{}}}}} {10}} carboxamide

2. ** Tus qauv tshuaj lom **

Dutasteride belongs rau 4- Azasteroid cov tebchaw, thiab nws cov qauv muaj:

- steroOppe pob txha (androstane derivative)

- Trifluorethylphenl Hloov chaw hloov chaw

- Amide daim ntawv cog lus thiab Keto ua haujlwm pab pawg

3. ** Lub cev nqaij daim tawv thiab tshuaj lom **

- ** Pom zoo ** ** Dawb rau off-dawb crystalline hmoov

- ** Solubility **: Yuav luag Insoluble hauv dej, yooj yim soluble hauv cov kuab tshuaj muaj methanic, ethanol, dmo)

- ** Melting point **: 242-250 degree (decomposition)

- ** STABLY **: Yuav tsum tau muab cia kom deb ntawm lub teeb, ruaj khov nyob rau hauv cov kev mob qhuav, yooj yim kom nqus noo noo.

### 2. Pharmacological cuam tshuam thiab chaw kuaj mob zoo

1. ** Mechanism ntawm Kev Ua **

Dutasteride blocks cov kev hloov pauv ntawm testosterone rau dihydrotestosterone (txog li 90% lossis ntau dua), txo cov pristeate, thiab ntau dua), thiab cov zis txaus.

2. ** Cov ntsiab lus zoo **

- ** Dual Inhibition **: Muab piv nrog Tasasteride, uas tsuas yog ua rau muaj iiymes ua rau nws cov enzymes ua rau nws txoj kev ua tau zoo dua.

- ** Kev siv sijhawm ntev yog txog 5 lub lis piam, thiab nws tuaj yeem muab ib zaug ib hnub, nrog cov neeg mob ua raws.

- ** Muaj peev xwm rau kev nthuav dav ntawm kev qhia ntawm **: Ntxiv rau BPH, kev tshawb fawb tau pom tias nws yuav tsum muaj rau cov txiv neej Androgenetic alopecia (aga), tab sis cov ntaub ntawv tshawb fawb tau zoo ntxiv.

3. ** Pharmacokinetics **

- ** Bioavailability **: Txog 60% (noj nrog cov noj mov muaj roj muaj txiaj ntsig zoo tuaj yeem txhim kho kev ua haujlwm).

- ** Metabolic Pathway **: Feem ntau metabolized los ntawm CYP3A4 enzyme, excreted tsuas yog nyob rau hauv quav.

### 3. Cov txheej txheem ntau lawm thiab kev tswjhwm zoo

1. ** Txoj kev Synthesis "

Cov synthesis ntawm desasteride feem ntau adopts ntau kauj ruam ntawm cov khoom siv, thiab cov kauj ruam tseem ceeb suav nrog:

- ** Pib cov khoom siv **: Siv Androstenenione li cov khoom siv raw, nitrogen hetercast yog qhia los ntawm oxidation thiab kev noj haus.

- ** Cov tshuaj tiv thaiv fluorinate **: Cov tshuaj tiv thaiv fluorination raug qhia rau ntawm trifluoromrethlenzene so los ntawm nucleophilic hloov chaw.

- ** PURIFICATION Txheej Txheem **: Recrystallization lossis chromatography yog siv los txhim kho kev coj dawb huv.

2. ** Intermediates nruab nrab **

- Nruab nrab ib tug: {{17 - carboxylic acid derivatives

- Nruab Nrab B: Trifluoromethyline derivatives

3. ** Cov Qauv Tswj Xyuas Zoo **

Raws li United States Pharceploeia (USP) thiab European Pharcogropeia (EP), cov ntsuas qhov ntsuas tseem ceeb xws li:

- ** Purity **: HPLC txiav txim siab ntawm lub ntsiab tivthaiv ntau dua los yog sib npaug rau 99. {{%.

- ** MIS TUAJ YEEM **: HWJCHIM LOS NTAWM IB TUG LOS SIST RAU 0}. 1%, Tag Nrho Cov Kab Mob Tsawg Tshaj lossis sib npaug}. 5%.

- ** Muab cov xwm txheej uas muaj nyob ntawm Ihich Q3c (xws li Methanol <3000 PPM).

- ** TSIB TSIS TXAUS SIAB **: Yuav tsum ua kom tau raws li qhov yuav tsum tau ua ntawm Sterile API.

### 4. Daim ntawv thov cov chaw thiab kev tsim kho qauv

1. "Pom zoo cov lus qhia **

- ** Benign prostatic hyperplasia **: {0. 5 Mg Capsules (Rest}. 5 Siv tau ib leeg lossis ua ke nrog -Receptor blockers.

- ** Kev tiv thaiv prostate) **: Qee qhov kev sim tshuaj tiv thaiv nws lub peev xwm txo qis kev pheej hmoo mob qog nqaij hlav cancer prostate.

2. ** Daim Ntawv Thov Offic-Sau Npe **

- ** Kev kho mob plaub hau **: Off-daim ntawv lo rau aga, tab sis cov peev xwm tshwm sim (xws li kev sib deev) yuav tsum tau hnyav.

3. ** Daim Ntawv Dosage Devovation **

- Tshuab siv tshuab micronization micronization li micronization: txhim kho cov kev sib cais ntawm APIIS thiab txhim kho Bioavailability.

- Cov kev txhaj tshuaj ntev ntev: Cov kev npaj tawm ntev hauv kev tshawb fawb tuaj yeem txo cov tshuaj.

### 5. Kev ua lag luam cov xwm txheej thiab kev sib tw toj roob hauv pes

1. ** Kev lag luam thoob ntiaj teb loj **

Xyoo 2023, lub ntiaj teb Dutasteride API lag luam loj yuav kwv yees li ntawm US $ 120 lab, nrog rau kev loj hlob hauv qab ntawm 2,5%, feem ntau yog tsav los ntawm kev laus.

2. ** Cov neeg tsim khoom loj **

- ** Thawj lub tuam txhab tshawb fawb **: GlaxOmithKline (GSK), uas tuav cov patent rau avodart® txog 2025.

- ** MENYUAM COV NTAUB NTAWV Cov Ntaub Ntawv **: Sun firmra hauv Is Nrias teb, Zhejiang Xianju Tshuaj hauv Suav teb, thiab lwm yam.

3. ** Kev lag luam hauv cheeb tsam **

- ** North America **: Cov koom ua ke loj tshaj plaws (txog 45%), thiab cov kev pov hwm kev pov hwm kev kho mob txhawb nws txoj kev siv.

- ** Asia Pacific **: Loj hlob loj tshaj plaws, Is Nrias teb thiab Tuam Tshoj yog cov neeg xa khoom tseem ceeb ntawm APIs.

### 6. Kev nyab xeeb thiab kev tswj hwm kev siv

1. ** Cov nyom tshwm sim **

- Ntau Yam: Txo Libido, Ejaculation tsis sib haum (qhov xwm txheej<5%).

- Tsis tshua muaj: Kev Nyuaj Siab, Txiv Neej Tus Mob Cancer mis (kev tiv thaiv kev sib cav sib ceg, xav tau kev saib xyuas lub sijhawm ntev).

2. ** Cov kev cai tswjfwm **

- ** FDA lub thawv dub ceeb toom **: Cov poj niam cev xeeb tub yuav ua rau pw tsis pom yog tias raug, uas yuav tsum tsis txhob nruj me ntsis.

- ** EMA cov lus pom zoo **: Nquag Saib Xyuas Kev Saib Xyuas Prostate-tshwj xeeb antigen (PSA) qib.

### 7. Kev tshawb nrhiav yav tom ntej

1. ** Kev tsim kho cov ntaub ntawv ntau npaum li cas **: xws li kev hloov pauv thaj ua rau thaj thiab nanoparticle.

2. ** Kev Kho Mob Kev Kho Mob **: Tshawb nrhiav lub peev xwm rau kev kho mob qog nqaij hlav prostate hauv kev sib xyaw nrog cov tshuaj tiv thaiv kabmob Andres.

3. ** Kev tshawb fawb txog kev tshawb fawb **: Txhawb nqa cov thawj tshuaj ntawm cov tshuaj muaj ntau hauv ntau lub teb chaws.

### xaus

Cov api dutasteride ua haujlwm tseem ceeb hauv kev kho mob tso zis rau cov kab mob tso zis vim nws qhov tshwj xeeb dual inhibition mechanism thiab kev ua tau zoo. Nrog rau kev ua kom zoo ntawm cov txheej txheem ntau lawm thiab nthuav ntawm kev qhia tshiab, tab sis nws yuav tsum tau them cov kev nyab xeeb txuas ntxiv, kev txhim kho tshiab.

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Cim npe nrov: Cov Hmoov Dester Ua Ntej Txhim Kho Cov Postate Ntim CASE: {}}} {{{}} Cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas