CAS No.109904-25-8,4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridine Suppliers

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4,5,6,7-TETRAHYDRO-5-(TRIPHENYLMETHYL)THIENO[3,2-C]PYRIDINE

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4,5,6,7-TETRAHYDRO-5-(TRIPHENYLMETHYL)THIENO[3,2-C]PYRIDINEAppearance:detailed in specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:An important raw material and intermediate used in Organic Synthesis, Pha

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Thieno[3,2-c]pyridine,4,5,6,7-tetrahydro-5-(triphenylmethyl)-Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

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4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridine

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4,5,6,7-TETRAHYDRO-5-(TRIPHENYLMETHYL)THIENO[3,2-C]PYRIDINE CAS NO.109904-25-8

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Zouping Mingxing Chemical Co.,Ltd.

4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridineCAS No. : 109904-25-8Molecular formula: C26H23NSStructural formula： Molecular weight: 3…

Thieno[3,2-c]pyridine,4,5,6,7-tetrahydro-5-(triphenylmethyl)-

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5-trityl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

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Simson Pharma Limited

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Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridine, CAS:109904-25-8 with the

4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridine

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Thieno[3,2-c]pyridine,4,5,6,7-tetrahydro-5-(triphenylmethyl)-

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Synthetic route

: 76-83-5
trityl chloride

: 28783-41-7
6,7-dihydro-4H-thieno[3,2-c]pyridine hydrochloride

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 20℃; for 2h; Inert atmosphere;	100%
With triethylamine In dichloromethane at 12 - 28℃;	99%
With N-ethyl-N,N-diisopropylamine In acetonitrile for 3h;	94%

: 54903-50-3
4,5,6,7-tetrahydrothieno[3,2-c]pyridine

: 76-83-5
trityl chloride

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
With triethylamine In dichloromethane; water	96%
With triethylamine In dichloromethane at 20℃;	96%
With NaH In tetrahydrofuran; ethyl acetate	1.80 g (50%)
With triethylamine In dichloromethane at 0 - 5℃; for 17h; Product distribution / selectivity;

: 934351-23-2
N-trityl-2,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
With sulfuryl dichloride; triethylamine In dichloromethane at 0℃; for 1h;	66%

: 406212-52-0
N-(tert-butoxycarbonyl)-1,2,5,6-tetrahydropyridine-3-carbaldehyde

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1.1: CH2Cl2 / 0 - 20 °C 2.1: Et3N / CH2Cl2 / 0 - 20 °C 2.2: 435 mg / CH2Cl2 / 17 h / 20 °C 3.1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C 4.1: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C 5.1: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 6.1: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

: 934351-40-3
N-trityl-1,2,5,6-tetrahydropyridine-3-carbaldehyde

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C 2: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C 3: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 4: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

: 934351-21-0
5-oxiranyl-N-trityl-1,2,3,6-tetrahydropyridine

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C 2: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 3: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

: 934351-22-1
5-thiiranyl-N-trityl-1,2,3,6-tetrahydropyridine

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 2: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

: 3-formyl-1,2,5,6-tetrahydropyridinium trifluoroacetate

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1.1: Et3N / CH2Cl2 / 0 - 20 °C 1.2: 435 mg / CH2Cl2 / 17 h / 20 °C 2.1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C 3.1: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C 4.1: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 5.1: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

: 76-83-5
trityl chloride

sodium benzylate: sodium benzylate

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1.1: Et3N / CH2Cl2 / 0 - 20 °C 1.2: 435 mg / CH2Cl2 / 17 h / 20 °C 2.1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C 3.1: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C 4.1: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 5.1: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

: 126114-07-6
tert-butyl 5-(hydroxymethyl)-3,6-dihydro-1(2H)-pyridinecarboxylate

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 7 steps 1.1: 95 percent / MnO2 / CH2Cl2 / 48 h / 20 °C 2.1: CH2Cl2 / 0 - 20 °C 3.1: Et3N / CH2Cl2 / 0 - 20 °C 3.2: 435 mg / CH2Cl2 / 17 h / 20 °C 4.1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C 5.1: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C 6.1: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C 7.1: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C View Scheme

Yield

Multi-step reaction with 7 steps
1.1: 95 percent / MnO2 / CH2Cl2 / 48 h / 20 °C
2.1: CH2Cl2 / 0 - 20 °C
3.1: Et3N / CH2Cl2 / 0 - 20 °C
3.2: 435 mg / CH2Cl2 / 17 h / 20 °C
4.1: n-BuLi / tetrahydrofuran; hexane / -78 - 20 °C
5.1: 217 mg / KSCN; Et3N / methanol; CH2Cl2 / 15 h / 20 °C
6.1: 52 percent / Cu(tfacac)2 / benzene / 24 h / 100 °C
7.1: 66 percent / SO2Cl2; Et3N / CH2Cl2 / 1 h / 0 °C
View Scheme

: 30433-91-1
[2-(2-thyenyl)ethyl]amine

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: dichloromethane / 40 - 45 °C 1.2: 20 - 70 °C 2.1: triethylamine / dichloromethane / 12 - 28 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 109904-26-9
5-triphenylmethyl-2-oxo-2,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
Stage #1: N-trityl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine With n-butyllithium In tetrahydrofuran; hexane; toluene at -5 - 10℃; Stage #2: With Trimethyl borate In tetrahydrofuran; hexane; toluene at -5 - 10℃; Stage #3: With water; dihydrogen peroxide In tetrahydrofuran; hexane; toluene Product distribution / selectivity;	99%
Stage #1: N-trityl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine With n-butyllithium In tetrahydrofuran; hexane at -40 - 10℃; Inert atmosphere; Stage #2: With Triisopropyl borate In tetrahydrofuran; hexane at -40 - 10℃; Inert atmosphere; Stage #3: With dihydrogen peroxide In tetrahydrofuran; hexane at -40 - 20℃; Inert atmosphere;	92%
Stage #1: N-trityl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine With n-butyllithium In tetrahydrofuran; hexane at -40 - 10℃; Inert atmosphere; Stage #2: With Triisopropyl borate In tetrahydrofuran; hexane at -40 - 10℃; Inert atmosphere; Stage #3: With dihydrogen peroxide In tetrahydrofuran; hexane at -40 - 20℃; Inert atmosphere;	92%

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 601525-80-8
(5-trityl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)boronic acid

Conditions

Conditions	Yield
Stage #1: N-trityl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine With n-butyllithium In tetrahydrofuran; hexane at -10 - 0℃; for 2h; Inert atmosphere; Stage #2: With Trimethyl borate In tetrahydrofuran; hexane at -10℃; for 1.5h; Stage #3: With sodium hydrogencarbonate In ethyl acetate	96%

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 115473-15-9
5,6,7,7a-tetrahydro-thieno[3,2-c]pyridin-2(4H)-one hydrochloride

Conditions

Conditions	Yield
Stage #1: N-trityl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine With N,N,N,N,-tetramethylethylenediamine; n-hexyllithium In toluene at 0℃; Large scale; Stage #2: With boric acid tributyl ester In toluene at 0℃; for 1h; Large scale; Further stages;	86.1%
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: hydrogenchloride; water / acetone / 3 h / 25 - 30 °C View Scheme
Multi-step reaction with 2 steps 1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / -5 - 10 °C 1.2: -5 - 10 °C 2.1: hydrogenchloride / water; acetone / 1 h / 25 - 50 °C View Scheme
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C 1.3: 1.75 h / 0 - 30 °C / Reflux 2.1: hydrogenchloride / acetone / 4.5 h / 25 - 30 °C / Reflux View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 688-74-4
boric acid tributyl ester

: 109904-26-9
5-triphenylmethyl-2-oxo-2,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran; hexane; water	64%

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 54903-50-3
4,5,6,7-tetrahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
With hydrogenchloride In tetrahydrofuran at 20℃; for 1.5h;

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 1461-22-9
tributyltin chloride

: 2-(tributylstannyl)-5-trityl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran	1.50 g (87%)

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 150322-43-3
prasugel

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 3.3: 8 h / 0 - 25 °C 4.1: triethylamine / dichloromethane / 0.25 h / 25 - 30 °C 4.2: 6 h / 0 - 5 °C View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: hydrogenchloride; water / acetone / 3 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 6 h / 25 - 30 °C 3.3: 6.5 h / 0 - 30 °C View Scheme
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 4.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 3.33 h / 10 - 30 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 150322-38-6
5-(2-cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-5,6,7,7a-tetrahydrothieno[3,2-c]pyridin-2(4H)-one

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 3.3: 8 h / 0 - 25 °C 4.1: sodium hydrogencarbonate / water / 0.5 h / 10 - 15 °C View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: hydrogenchloride; water / acetone / 3 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: CS-747 hydrochloride

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 3.3: 8 h / 0 - 25 °C 4.1: triethylamine / dichloromethane / 0.25 h / 25 - 30 °C 4.2: 6 h / 0 - 5 °C 5.1: hydrogenchloride / ethyl acetate; acetone / 0.75 h / 25 - 55 °C / Inert atmosphere View Scheme
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: hydrogenchloride; water / acetone / 3 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 6 h / 25 - 30 °C 3.3: 6.5 h / 0 - 30 °C 4.1: hydrogenchloride / ethyl acetate; acetone / 0.75 h / 25 - 55 °C / Inert atmosphere View Scheme
Multi-step reaction with 5 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 4.1: N-ethyl-N,N-diisopropylamine / acetonitrile / 3.33 h / 10 - 30 °C 5.1: hydrogenchloride / ethyl acetate; acetone / 0.75 h / 25 - 55 °C / Inert atmosphere View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 952340-39-5
5,6,7,7a-tetrahydro-4H-thieno[3,2-c]pyridine-2-one p-toluenesulfonate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C View Scheme
Multi-step reaction with 2 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / -40 - 10 °C / Inert atmosphere 1.2: -40 - 10 °C / Inert atmosphere 1.3: -40 - 20 °C / Inert atmosphere 2.1: tetrahydrofuran / 0 - 20 °C View Scheme
Multi-step reaction with 2 steps 1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / -5 - 10 °C 1.2: -5 - 10 °C 2.1: tetrahydrofuran / 25 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 1243654-57-0
5-(α-cyclopropylcarbonyl-2-fluorobenzyl)-2-oxo-2,4,5,6,7,7a-hexahydrothieno[3,2-c]pyridine hydrobromide

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 3.3: 8 h / 0 - 25 °C View Scheme
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 4.1: hydrogen bromide / water; acetone / 1 h / 0 - 5 °C View Scheme
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: hydrogenchloride; water / acetone / 3 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 4.1: hydrogen bromide / water; acetone / 1 h / 0 - 5 °C View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C 1.3: 1.75 h / 0 - 30 °C / Reflux 2.1: acetone / 0.92 h / 25 - 30 °C / Reflux 3.1: potassium carbonate / acetonitrile / 7.5 h / 25 - 30 °C 3.2: 8 h / 0 - 25 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 150322-39-7
5-(α-cyclopropylcarbonyl-2-fluorobenzyl)-2-oxo-2,4,5,6,7,7a-hexahydro thieno[3,2-c] pyridine hydrochloride

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 3.3: 8 h / 0 - 25 °C 4.1: ammonia / dichloromethane; water / 0 - 30 °C 4.2: 1 h / 25 - 30 °C View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: hydrogenchloride; water / acetone / 3 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 3.3: 1 h / 25 - 30 °C View Scheme
Multi-step reaction with 5 steps 1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 - 15 °C / Inert atmosphere 1.2: 1 h / 0 - 15 °C / Inert atmosphere 1.3: 2 h / 0 - 30 °C 2.1: acetone / 0.42 h / 25 - 30 °C 3.1: potassium carbonate / acetonitrile / 0.5 h / 25 - 30 °C 3.2: 7 h / 25 - 30 °C 4.1: hydrogen bromide / water; acetone / 1 h / 0 - 5 °C 5.1: ammonia / dichloromethane; water / 0 - 30 °C 5.2: 1 h / 25 - 30 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 1-cyclopropyl-2-(2-fluorophenyl)-2-(2-hydroxy-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)ethan-1-one

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / -40 - 10 °C / Inert atmosphere 1.2: -40 - 10 °C / Inert atmosphere 1.3: -40 - 20 °C / Inert atmosphere 2.1: tetrahydrofuran / 0 - 20 °C 3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1.5 h / 20 °C / Cooling with ice View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / -40 - 10 °C / Inert atmosphere 1.2: -40 - 10 °C / Inert atmosphere 1.3: -40 - 20 °C / Inert atmosphere 2.1: tetrahydrofuran / 0 - 20 °C 3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 20 °C / Cooling with ice View Scheme
Multi-step reaction with 4 steps 1.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -10 - 0 °C / Inert atmosphere 1.2: 1.5 h / -10 °C 2.1: tetrahydrofuran / 0 - 20 °C 3.1: triethylamine / ethanol / 50 °C / Inert atmosphere 3.2: 8 h / 50 °C 4.1: acetic acid / ethanol / 4 °C / Inert atmosphere 4.2: 4 h / 4 - 20 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 2-(tert-butyldimethylsilyloxy)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / -5 - 10 °C 1.2: -5 - 10 °C 2.1: tetrahydrofuran / 25 °C 3.1: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere View Scheme
Multi-step reaction with 3 steps 1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / -5 - 10 °C 1.2: -5 - 10 °C 2.1: hydrogenchloride / water; acetone / 1 h / 25 - 50 °C 3.1: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 952340-38-4
2-(tert-butyldimethylsilyloxy)-5-(α-cyclopropylformyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / -5 - 10 °C 1.2: -5 - 10 °C 2.1: tetrahydrofuran / 25 °C 3.1: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere 4.1: triethylamine / dichloromethane / 20 °C / Inert atmosphere View Scheme
Multi-step reaction with 4 steps 1.1: n-butyllithium / toluene; hexane; tetrahydrofuran / -5 - 10 °C 1.2: -5 - 10 °C 2.1: hydrogenchloride / water; acetone / 1 h / 25 - 50 °C 3.1: triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere 4.1: triethylamine / dichloromethane / 20 °C / Inert atmosphere View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 1056459-37-0
2-acetoxy-5-[5-chloro-1-(2-fluorophenyl)-2-oxopentyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -40 - 10 °C / Inert atmosphere 1.2: 1 h / -40 - 10 °C 1.3: 1 h / -40 - 20 °C 2.1: tetrahydrofuran / 6 h / 0 - 20 °C 3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1.5 h 3.2: 1 h / 15 - 20 °C View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 2-acetoxy-5-[5-bromo-1-(2-fluorophenyl)pentyl]-4,5,6,7-tetrahydro-4H-thieno[3,2-c] pyridine maleate

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -40 - 10 °C / Inert atmosphere 1.2: 1 h / -40 - 10 °C 1.3: 1 h / -40 - 20 °C 2.1: tetrahydrofuran / 6 h / 0 - 20 °C 3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1 h / 20 °C 3.2: 1 h / 15 - 20 °C 4.1: acetone View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 2-acetoxy-5-[5-chIoro-1-(2-fluorophenyl)pentyl]-4,5,6,7-tetrahydro-4H-thieno[3,2-c] pyridine maleate

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -40 - 10 °C / Inert atmosphere 1.2: 1 h / -40 - 10 °C 1.3: 1 h / -40 - 20 °C 2.1: tetrahydrofuran / 6 h / 0 - 20 °C 3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1.5 h 3.2: 1 h / 15 - 20 °C 4.1: acetone View Scheme

: 109904-25-8
5-trityl-4,5,6,7-tetrahydro-tieno[3,2-c]pyridine

: 1373350-59-4
2-acetoxy-5-[5-bromo-1-(2-fluorophenyl)pentyl]-4,5,6,7-tetrahydro-4H-thieno[3,2-c] pyridine

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -40 - 10 °C / Inert atmosphere 1.2: 1 h / -40 - 10 °C 1.3: 1 h / -40 - 20 °C 2.1: tetrahydrofuran / 6 h / 0 - 20 °C 3.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1 h / 20 °C 3.2: 1 h / 15 - 20 °C View Scheme

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