CAS No.51927-48-1,1-Naphthalenol, 7,8-dihydro- Suppliers

Xiamen Jenny Chemical Technology Co., Ltd.

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Shandong Mopai Biotechnology Co., LTD

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1-Naphthalenol, 7,8-dihydro-

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Nanjing HuaNuo Bio-Pharmacuetical Co.,Ltd

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Antimex Chemical Limied

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Benzenesulfonamide,3-amino-N-ethyl-4-phenoxy-N-phenyl-

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Guangdong Juda Chemical Industrial Co.,Limited

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Rotigotine Impurity 6 CAS No.51927-48-1

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ZHEJIANG JIUZHOU CHEM CO.,LTD

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1-Naphthalenol, 7,8-dihydro-

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LEAP CHEM Co., Ltd.

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7,8-dihydronaphthalen-1-ol

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Simson Pharma Limited

The system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin

7,8-Dihydro phthol

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Topbatt Chemical Co., Ltd.

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Rotigotine EP Impurity K

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Shenzhen Sumshine Biotech Co., Ltd.

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Rotigotine EP Impurity K

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NovaChemistry

High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients

7,8-Dihydro Naphthol

Cas:51927-48-1

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Synthetic route

: 60573-59-3
8-Methoxy-1,2-dihydronaphthalene

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

Conditions

Conditions	Yield
With sodium thioethylate In N,N-dimethyl-formamide at 120℃;	97%

: 40771-26-4
1,2,3,4-tetrahydro-1,5-dihydroxy-naphthalene

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

Conditions

Conditions	Yield
With toluene-4-sulfonic acid In benzene at 20℃; for 12h; Inert atmosphere;	82.82%
With toluene-4-sulfonic acid In benzene Heating / reflux;	22%
With phosphoric acid In tetrahydrofuran at 80℃; for 2h;	0.614 g

: 51927-50-5
7,8-dihydronaphthalen-1-yl acetate

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

Conditions

Conditions	Yield
With [hydroxy(tosyloxy)iodo]benzene In methanol at 0℃; for 5h;	55%

: 56-23-5
tetrachloromethane

: 64-17-5
ethanol

: 27673-48-9
5,8-dihydro-1-naphthol

: 917-58-8
potassium ethoxide

A: 1429-22-7
5,6-dihydro-1-naphthol

B: 51927-48-1
7,8-dihydro-naphthalen-2-ol

...Expand

: 90-15-3
α-naphthol

A: 1429-22-7
5,6-dihydro-1-naphthol

B: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 27673-48-9
5,8-dihydro-1-naphthol

: 917-58-8
potassium ethoxide

A: 1429-22-7
5,6-dihydro-1-naphthol

B: 51927-48-1
7,8-dihydro-naphthalen-2-ol

Conditions

Conditions	Yield
With ethanol; xylene

...Expand

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 108-24-7
acetic anhydride

: 51927-50-5
7,8-dihydronaphthalen-1-yl acetate

Conditions

Conditions	Yield
With dmap; triethylamine at 20℃; for 1h;	96%
With pyridine at 20℃; for 26h;	89.83%

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 98-88-4
benzoyl chloride

: 7,8-dihydronaphthalen-1-yl benzoate

Conditions

Conditions	Yield
With triethylamine In dichloromethane	94%
With triethylamine In dichloromethane	94%

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 21742-00-7
2-(trifluoromethyl)benzyl chloride

: 8-((2-(trifluoromethyl)benzyl)oxy)-1,2-dihydronaphthalene

Conditions

Conditions	Yield
Stage #1: 7,8-dihydro-naphthalen-2-ol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.25h; Inert atmosphere; Sealed tube; Stage #2: 2-(trifluoromethyl)benzyl chloride With sodium iodide In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; Sealed tube;	89%

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: (+/-)-cis-1,2,3,4-tetrahydronaphthalene-1,2,5-triol

Conditions

Conditions	Yield
With pyridine; osmium(VIII) oxide; trimethylamine-N-oxide In water; tert-butyl alcohol at 100℃; for 48h;	73.5%

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 529-35-1
5,6,7,8-Tetrahydronaphthalen-1-ol

Conditions

Conditions	Yield
With ethanol; sodium

: 358-23-6
trifluoromethylsulfonic anhydride

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 802918-37-2
trifluoromethanesulfonic acid 7,8-dihydronaphthalen-1-yl ester

Conditions

Conditions	Yield
With pyridine at 20℃;

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 508219-95-2
7,8-dihydronaphthalene-1-carboxylic acid methyl ester

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: pyridine / 20 °C 2: 3.5 g / palladium(II) acetate; 1,1'-bis(diphenylphosphino)ferrocene; triethylamine / dimethylsulfoxide / 8 h / 60 °C View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 1a,2,3,7b-tetrahydro-1-oxa-cyclopropa[a]naphthalene-4-carboxylic acid methyl ester

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: pyridine / 20 °C 2: 3.5 g / palladium(II) acetate; 1,1'-bis(diphenylphosphino)ferrocene; triethylamine / dimethylsulfoxide / 8 h / 60 °C 3: m-chloroperoxybenzoic acid / CH2Cl2 / 0 - 5 °C View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 508219-96-3
5,6,7,8-tetrahydro-6-oxonaphthalene-1-carboxylic acid methyl ester

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: pyridine / 20 °C 2: 3.5 g / palladium(II) acetate; 1,1'-bis(diphenylphosphino)ferrocene; triethylamine / dimethylsulfoxide / 8 h / 60 °C 3: m-chloroperoxybenzoic acid / CH2Cl2 / 0 - 5 °C 4: 2.4 g / (C6H5)3P; palladium(II) acetate / benzene / 5 h / Heating View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 508219-97-4
2-hydroxy-3,4-dihydro-naphthalene-1,5-dicarboxylic acid dimethyl ester

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1.1: pyridine / 20 °C 2.1: 3.5 g / palladium(II) acetate; 1,1'-bis(diphenylphosphino)ferrocene; triethylamine / dimethylsulfoxide / 8 h / 60 °C 3.1: m-chloroperoxybenzoic acid / CH2Cl2 / 0 - 5 °C 4.1: 2.4 g / (C6H5)3P; palladium(II) acetate / benzene / 5 h / Heating 5.1: lithium di(isopropyl)amide / tetrahydrofuran / 1 h / -78 - 0 °C 5.2: 35 percent / hexamethylphosphoramide / tetrahydrofuran / 0.17 h / -78 °C View Scheme

Yield

Multi-step reaction with 5 steps
1.1: pyridine / 20 °C
2.1: 3.5 g / palladium(II) acetate; 1,1'-bis(diphenylphosphino)ferrocene; triethylamine / dimethylsulfoxide / 8 h / 60 °C
3.1: m-chloroperoxybenzoic acid / CH2Cl2 / 0 - 5 °C
4.1: 2.4 g / (C6H5)3P; palladium(II) acetate / benzene / 5 h / Heating
5.1: lithium di(isopropyl)amide / tetrahydrofuran / 1 h / -78 - 0 °C
5.2: 35 percent / hexamethylphosphoramide / tetrahydrofuran / 0.17 h / -78 °C
View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 98-88-4
benzoyl chloride

A: (R)-1-(bis(2,2,2-trifluoroethoxy)methyl)-2,3-dihydro-1H-inden-4-yl benzoate

B: (S)-1-(bis(2,2,2-trifluoroethoxy)methyl)-2,3-dihydro-1H-inden-4-yl benzoate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane 2: (2R,2'R)-diethyl 2,2'-(2-iodo-1,3-phenylene)bis(oxy)dipropanoate; 3-chloro-benzenecarboperoxoic acid; (1S)-10-camphorsulfonic acid / dichloromethane / -40 °C View Scheme

...Expand

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 1-(bis(2,2,2-trifluoroethoxy)methyl)-2,3-dihydro-1H-inden-4-yl benzoate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane 2: [hydroxy(tosyloxy)iodo]benzene / 0.08 h / 0 °C View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: 1-(bis(2,2,2-trifluoroethoxy)methyl)-2,3-dihydro-1H-inden-4-yl acetate

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: triethylamine; dmap / 1 h / 20 °C 2: [hydroxy(tosyloxy)iodo]benzene / 0.08 h / 0 °C View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

A: (R)-5-((2-(trifluoromethyl)benzyl)oxy)-1,2,3,4-tetrahydronaphthalene-1-carbonitrile

B: 5-((2-(trifluoromethyl)benzyl)oxy)-1,2,3,4-tetrahydronaphthalene-1-carbonitrile

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 20 °C / Inert atmosphere; Sealed tube 1.2: 18 h / 20 °C / Inert atmosphere; Sealed tube 2.1: bis[chloro(1,2,3-trihapto-allylbenzene)palladium(II)]; sodium trimethylsilanolate; dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; Dimethylphenylsilane; C76H103CuO10P2 / tetrahydrofuran / 16 h / 45 °C / Inert atmosphere; Sealed tube 3.1: acetylenedicarboxylate dioctyl ester / toluene / 8 h / 110 °C / Inert atmosphere; Sealed tube View Scheme

Yield

Multi-step reaction with 3 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 20 °C / Inert atmosphere; Sealed tube
1.2: 18 h / 20 °C / Inert atmosphere; Sealed tube
2.1: bis[chloro(1,2,3-trihapto-allylbenzene)palladium(II)]; sodium trimethylsilanolate; dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; Dimethylphenylsilane; C76H103CuO10P2 / tetrahydrofuran / 16 h / 45 °C / Inert atmosphere; Sealed tube
3.1: acetylenedicarboxylate dioctyl ester / toluene / 8 h / 110 °C / Inert atmosphere; Sealed tube
View Scheme

: 51927-48-1
7,8-dihydro-naphthalen-2-ol

: C28H24F3NO2

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 20 °C / Inert atmosphere; Sealed tube 1.2: 18 h / 20 °C / Inert atmosphere; Sealed tube 2.1: bis[chloro(1,2,3-trihapto-allylbenzene)palladium(II)]; sodium trimethylsilanolate; dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; Dimethylphenylsilane; C76H103CuO10P2 / tetrahydrofuran / 16 h / 45 °C / Inert atmosphere; Sealed tube View Scheme

Yield

Multi-step reaction with 2 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 0.25 h / 20 °C / Inert atmosphere; Sealed tube
1.2: 18 h / 20 °C / Inert atmosphere; Sealed tube
2.1: bis[chloro(1,2,3-trihapto-allylbenzene)palladium(II)]; sodium trimethylsilanolate; dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; Dimethylphenylsilane; C76H103CuO10P2 / tetrahydrofuran / 16 h / 45 °C / Inert atmosphere; Sealed tube
View Scheme

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