181)Ros :- Prasugrel Hydrochloride
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33 181)ROS :- PRASUGREL HYDROCHLORIDE O O F F Ethyl methyl ketone N N Aco .HCL Aco HCL(36.5) in S S isopropanol 2-Acetoxy-5-( -cyclopropylcarbony1-2- 2-Acetoxy-5-( -cyclopropylcarbony1-2-fluorobenzyl)- fluorobenzyl)-4,5,6,7-tetrahydro 4,5,6,7-tetrahydro thieno[3,2-c]pyridine hydrochloride thieno[3,2-c]pyridine MOL FOR :- C20 H21FNO 3SCl MOL WT :- 409.9 MOL FOR :- C20 H20 FNO 3S MOL WT :- 373.44 Manufacturing Process :- The hydrochloride is Prepared by dissolving 2-acetoxy-5-( -cyclopropylcarbony1- 2-fluorobenzyl)-4,5,6,7-tetrahydro thieno[3,2-c]pyridine prasugrel in ethyl methyl ketone at 35- 40 ℃ followed by addition of IPA.HCL The solid obtained is filtered to yield 2-Acetoxy-5-( - cyclopropylcarbony1-2-fluorobenzyl)-4,5,6,7-tetrahydro thieno[3,2-c]pyridine hydrochloride (Prasugrel hydrochloride) (APl) NAME OF Raw material :- 1) - 2-acetoxy-5-( -cyclopropylcarbony1-2-fluorobenzyl)-4,5,6,7-tetrahydro thieno[3,2- c]pyridine 2)- Ethyl methyl ketone 3) - IPA.HCL Flow diagram :- 2-acetoxy-5-( -cyclopropylcarbony1- Ethyl methyl ketone 1000L kg 2-fluorobenzyl)-4,5,6,7-tetrahydro IPA.HCL 1000kg thieno[3,2-c]pyridine 480Kg Reactor Chilled 10 °C Reactor Recovery Of ethyl methyl ketone 950 kg Centrifuge Loss -20 kg Recovery Of Ipa 950 kg Salt 60 kg Dry wt -500Kg PRASUGREL HYDROCHLORIDE INPUT kg OUTPUT kg 2-acetoxy-5-( - 480 Recovery Of ethyl methyl ketone 950 cyclopropylcarbony1-2- fluorobenzyl)-4,5,6,7-tetrahydro thieno[3,2 -c]pyridine Ethyl methyl ketone 1000 Recovery Of Ipa 950 IPA.HCL 1000 Salt 60 Product 500 loss 20 TOTAL 2480 2480 182) Paroxitine HCL ROS :- F SO 2CL 2 F HO toluene O CH 2OH NaoH dimethylethylamine O O N + O O sodiume methoxide N + H2O(18) CH3 DMF CH3 Mol FOR :- C19H16FNO3 (-)trans carbinol sesamole MOL Wt :- 329 gm/mol Mol FOR :- C13H18FNO Mol FOR :- C7H6O 3 MOL Wt :- 222 gm/mol MOL Wt :- 138gm/mol phenylchloroformate F (156.57) F toluene O O KOH (56.10) O O O O N Paroxetine toluene HCL H N + + Mol for :-C19H20FNO3 NAOH(40) 36.5 O Mol wt:-329.5 gm/mole OPH PhOCOOK(175) toluene Mol FOR :- C26H24FNO5 F HCL MOL Wt :- 449 gm/mol O O O .HCL(36.5) N H Paroxetine.HCL Mol for :-C19H20FNO3.HCl Mol wt:-365.5 gm/mole Flow chart :- Benzenesulfphonyl chloride-250 KG (-)trans carbinol-355 KG Dimethylethylamine - Toluene-500 kg 250kg Reactor DMF - 500 kg Recover DMF- 450 kg SMO -1.0 kg Sesamole-238 kg Reactor toluene-500 kg Phenylchloroformate :-230kg Water -174 kg KOH-366kg Reactor Hcl Gas-58 kg Scrubber Toluene-500 kg Total -232 kg Con HCL-180kg Effluent -812 KG Reactor Recover Toluene - 1450 Effluent- 500 kg Loss -100 kg Centrifug e Product-500kg Manufacturing Process :- charged Toluene charged to a clean, dry and charge trans-(-)-4-(4'- fluorophenyl)-3- hydroxymethyl-1 -methylpiperidine in Reactor. The vessel contents are cooled to 5 °C and dimethylethylamine is added, and then a nitrogen purge is attached and the vessel contents further cooled to 0 UC. A mixture of benzenesulphonyl chloride and toluene added at 0C .Charge N,N'-dimethylformamide is added. Charge solution of sesamol and sodium methoxide in N,N'-dimethylformamide added over. Water wash &The combined toluene solutions are distilled to give an anhydrous toluene solution of (-) trans 4-(4'-fluorophenyl)-3-(3',4'-methylenedioxyphenoxymethyl)-l- methylpiperidine. Take product dissolved in toluene & chare a solution of phenyl chloroformate in toluene s added dropwise with stirring under nitrogen, over 25 to 30 minutes. Water wash & distilled toluene to give an anhydrous toluene solution of (-) trans 4-(4'- fluorophenyl)-3-(3',4'-methylenedioxy phenoxymethyl)-l- phenoxycarbonyl piperidine. Charge potassium hydroxide & take product a solution in toluene and the well stirred mixture is refluxed for 2 hours. &water wash. distilled toluene.& free base obtain. Charge free base in toluene in Reactor and drop wise concentrated hydrochloric acid addition in2-hrs.stirred for 2 hours at RT ¢rifuge. Dry & packing INPUT KG/Batch MT/MT MT/DAY MT/MONTH OUTPUT KG/BATCH MT/MT MT/DAY MT/MONTH (-)trans carbinol 355 0.71 0.4686 14.2 Dimethylethylamine 250 0.5 effluent 0.33 10 1312 2.624 1.73184 52.48 Benzenesulfphonyl chloride 250 0.5 0.33 10 Dry wt 500 1 0.66 20 Sodium methoxide (smo) 1 0.002 0.00132 0.04 Recover of DMF 450 0.9 0.594 18 Fresh DMF 50 0.1 0.066 2 0 0 0 Recover of DMF 450 0.9 0.594 18 Recover of toluene 1450 2.9 1.914 58 Fresh toluene 50 0.1 0.066 2 loss 100 0.2 0.132 4 Recover of toluene 1450 2.9 1.914 58 Hcl Gas 58 0.116 0.07656 2.32 Sesamole 238 0.476 0.31416 9.52 Phenylchloroformate 230 0.46 0.3036 9.2 KOH 366 0.732 0.48312 14.64 Con HCl 180 0.36 0.2376 7.2 TOTAL 3870 7.74 5.1084 154.8 TOTAL 3870 7.74 5.1084 154.8 M.B of scrubber INPUT KG/Batch MT/MT MT/DAY MT/MONTH OUTPUT KG/BATCH MT/MT MT/DAY MT/MONTH HCl gas 58 0.116 0.07656 2.32 Scrubber Sol 232 0.464 0.30624 9.28 Water 174 0.348 0.22968 6.96 232 0.464 0.30624 9.28 232 0.464 0.30624 9.28 . 183) Pinavarium Bromide ROS :- Cl IPA CH3 OH N CH3 O NaHCO3(84) H3C H3C N O + O CO2(44)+H2O(18) + NaCL(58.5) DIHYDRONEPOL 4-(2-chloroethyl)morpholine Br MOL FOR : C17H310O2N MOL FOR : C11H170 MOL FOR : C6H12CLNO MOL WT - 281.43 Br MOL WT :- 169 MOL WT :- 149 310 Acetone OCH H3CO 3 2-bromo veratyl bromide CH3 O H C 3 + N O Br Br OCH 3 OCH 3 Pinavarium bormide Mol FOR :- C28H37CLN4O2S MOL WT :- 591 Flow chart :- 4-(2-chlroethyl)morpholine - dihydronepol -124 kg 186 kg IPA-1000 kg Na2CO3-340 kg Reactor Acetone-1000 kg Recover IPA -950 kg 2-bromo-veratyl bromide- Reactor 310 kg Reactor Recover Acetone-950 kg Loss – 85 kg Effluent -475 KG Centrifuge Product-500 kg Manufacturing Process :- Charge of dihydronepol , Isopropyl alcohol Sodium carbonate & 4-(2- chlroethyl)morpholine in reactor &. Heating to reflux. Maintain for 14-hrs at reflux temp. filter reaction mass & distilled IPA. centrifuge & drying. Take product, 2-bromo-veratyl bromide & Acetone in reactor. Heating to reflux. Maintain for 14-hrs at reflux temp. cool to RT & Chilled to 5-10 C for 1-hrs . centrifuge .drying & Packing . Pinavarium Bromide INPUT OUTPUT dihydronepol 124 KG Recover of IPA 950 LIT 4-(2-chlroethyl)morpholine 186 kg Dry Wt 500 KG Na2co3 340 KG SOLVENT LOSS 60 KG IPA 1000 LIT Recover of ACETONE 950 LIT Acetone 1000 lit EFFLU ENT 475 KG 2-bromo-veratyl bromide 310 kg Loss 25 kg TOTAL 2960KG 2960 KG . 184)PIOGLITAZONE HYDROCHLORIDE ROS :- stage :-1 NO palladium NH 2 carbon 2 H C H C 3 + 3H2 3 N O hydrogen gas N O 4-(2-(5-ethylpyridin-2-yl) MOL WT :- ethoxyanilline 2H2O 5-ethyl-2-(2-(4-nitrophenoxy) 2.0 + ethyl)pyridine PGL-1 18 EPNB MOL WT - 242.3 MOL WT :- 272.3 stage-2 O CH3 NH2 H3C + NaNO2 + 2HBr + O N O sodium nitrate H2C methyl acrylate MOL WT - 4-(2-(5-ethylpyridin-2-yl) 69 hydrobromic acid MOL WT - ethoxyanilline 86.08 MOL WT - PGL-1 81 MOL WT - 242.3 copper oxide O CH 3 N2 NaBr + + 2H2O O + H C 3 WATER Br sodium nitrate Nitogen N O MOL WT - 103 MOL WT - 28 MOL WT - 18 methyl-2-bromo-3-(4-(2-(5ethylpyri din-2-yl)ethoxy)phenyl) propanoate MOL WT - 392.28 PGL-2 Stage 3 O S CH 3 ONa H3C O H3C + + Br H2N NH N O 2 thiourea O methyl-2-bromo-3-(4-(2-(5ethylpyri sodium acetate din-2-yl)ethoxy)phenyl) propanoate MOL WT - 76.1 MOL WT - 82.03 MOL WT - 392.28 PGL-2 S NH CH3COOH CH3OH H C NaBr + + 3 N + O H N O 5-{4-{-(6-ethylpyridin-2-yl)ethoxy)ben Sodium bromide Acetic Acid methanol zyl}-2-amino-13-thinzolidin-4-one MOLWT - MOL WT - 60 MOL WT - 32 MOL WT - 355.4 103 PGL-3 Stage 4 S NH H3C N + 2HCL + H20 + KHCO O H N O 5-{4-{-(6-ethylpyridin-2-yl)ethoxy)ben MOLWT-36.46 MOLWT -18 MOLWT - 100.11 zyl}-2-amino-13-thinzolidin-4-one MOL WT - 355.4 PGL-3 S O H C 3 N O H N O + NH4CL + KCL + H2O 5-{4-{-(6-ethylpyridin-2-yl)ethoxy)ben MOLWT -74.5 MOLWT - 18 zyl}-2-amino-13-thinzolidin-4-one MOLWT -53.5 MOL WT - 355.4 + CO2 PGL-4 MOLWT - 44 Stage 4 S O H C 3 N O H N O 5-{4-{-(6-ethylpyridin-2-yl)ethoxy)ben zyl}-2-amino-13-thinzolidin-4-one MOL WT - 356.4 PGL-4 DMF S O H C 3 N O H N O 5-{4-{-(6-ethylpyridin-2-yl)ethoxy)ben zyl}-2-amino-13-thinzolidin-4-one PGL-5 Stage 5 MOL WT - 356.4 S O H C HCL 3 N + O H 36.5 N O 5-{4-{-(6-ethylpyridin-2-yl)ethoxy)ben zyl}-2-amino-13-thinzolidin-4-one MOL WT - 356.4 S O H C 3 N O H N O HCL Pioglitazone hydrochloride MOL WT - 392.89 Flow chart :- EPNB-347 KG palladium carbon-10 KG -10 kg Hydrogen gas- 6 kg Reactor CuO-50 kg Stage-1-310 kg Sodium nitrate-88 KG -10Recover kg catalyst -10 kg HBr-207 kg Methyl acrylate-110 Reactor Effluent-40kg Stage-2 500kg Sodium acetate-150 KG -10 kg thiourea -97 kg NaBr -131 KG Reactor Effluent -84 KG methano -500 kg Recover cuo -50 KG Stage-3 452kg water -500 KG Con hcl -91 kg NaBr -131 KG RecoverAceticacid-114kg Reactor KG KHCO3 -127 kg Recover CH3OH-550kg KG Stage-4 454kg Ammonium chloride -110 KCL-130 kg DMF - 500 kg Reactor WATER - 500 kg Effluent-475 kg Stage-5 445kg Effluent -132 KG 50% ethanol- 500 kg Con HCL - 1000kg Reactor Recover DMF- 475 kg Effluen -34 KG Effluent 500 kg Recover ethanol-250 kg Loss -10 kg CENTRIFUGE Effluent-832 kg Effluent 225 KG Product-500 kg Manufacturing Process :- 5-ethyl-2-(2(4-nitrophenoxy)ethyl)pyridine (EPNB) is hydrogenated in presence of palladium catalyst to produce PGL-1, which is further diazotized using sodium nitrite solution in water to get diazotized PGL-1.