CAS No.113705-27-4,Naphthalene, 2,7-diethynyl Suppliers

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Naphthalene, 2,7-diethynyl CAS 113705-27-4

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Naphthalene, 2,7-diethynyl Cas no.113705-27-4 98%

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Kono Chem Co.,Ltd

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Antimex Chemical Limied

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NUTROCHEM- MANUFACTURE PLACE

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Naphthalene, 2,7-diethynyl

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Synthetic route

: 113705-17-2
2,7-bis[2-(trimethylsilyl)ethynyl]naphthalene

: 113705-27-4
2,7-diethynylnaphthalene

Conditions

Conditions	Yield
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 2h;	100%
With water; sodium hydroxide In tetrahydrofuran at 20℃; for 2h;	100%
With potassium fluoride dihydrate In tetrahydrofuran; methanesulfonic acid Concentration; Time;	100%

: 58556-75-5
2,7-dibromonaphthalene

: 113705-27-4
2,7-diethynylnaphthalene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 82 percent / (PhCN)2PdCl2, Ph3P, copper(II) acetate hydrate, diisopropylamine / 1.) RT, 4 h, 2.) reflux, 1 h 2: 91 percent / KOH, H2O / methanol / 0.33 h / Ambient temperature View Scheme
Multi-step reaction with 2 steps 1: copper(l) iodide; triethylamine; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 40 °C / Inert atmosphere 2: potassium carbonate / tetrahydrofuran; methanol / 0.5 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; triethylamine / tetrahydrofuran / 24 h / 65 °C 2: potassium fluoride dihydrate / tetrahydrofuran; methanol / 2 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: bis-triphenylphosphine-palladium(II) chloride; triphenylphosphine; copper(l) iodide; diisopropylamine / tetrahydrofuran / 20 - 50 °C / Inert atmosphere 2: potassium hydroxide; water / tetrahydrofuran View Scheme

: 582-17-2
2,7-Dihydroxynaphthalene

2-oxy-benzaldehyde: 2-oxy-benzaldehyde

: 113705-27-4
2,7-diethynylnaphthalene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 1.) bromine, Ph3P / 1.) acetonitrile, 70 deg C, 30 min, 2.) 250 deg C, 50 min 2: 82 percent / (PhCN)2PdCl2, Ph3P, copper(II) acetate hydrate, diisopropylamine / 1.) RT, 4 h, 2.) reflux, 1 h 3: 91 percent / KOH, H2O / methanol / 0.33 h / Ambient temperature View Scheme

: 582-17-2
2,7-Dihydroxynaphthalene

: 113705-27-4
2,7-diethynylnaphthalene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: dmap; 2,6-dimethylpyridine / dichloromethane; tetrahydrofuran / 7.25 h / -78 - 0 °C / Molecular sieve; Inert atmosphere 2: copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triphenylphosphine; piperidine / Molecular sieve; Inert atmosphere; Reflux 3: sodium hydroxide / tetrahydrofuran; water / 2 h / 20 °C View Scheme
Multi-step reaction with 3 steps 1: dmap; 2,6-dimethylpyridine / dichloromethane; tetrahydrofuran / 7.25 h / -78 - 0 °C / Molecular sieve; Inert atmosphere 2: piperidine; triphenylphosphine / tetrakis(triphenylphosphine) palladium(0); copper(l) iodide / Inert atmosphere; Molecular sieve; Reflux 3: sodium hydroxide; water / tetrahydrofuran / 2 h / 20 °C View Scheme
Multi-step reaction with 3 steps 1: triethylamine / dichloromethane / 0 - 20 °C 2: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; triethylamine / tetrahydrofuran / 24 h / 40 °C / Inert atmosphere; Sealed tube 3: potassium carbonate; methanol / 24 h / 20 °C View Scheme

: 151391-00-3
methanesulfonic acid 1,1,1-trifluoro-1,1'-(2,7-naphthalenedidyl) ester

: 113705-27-4
2,7-diethynylnaphthalene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triphenylphosphine; piperidine / Molecular sieve; Inert atmosphere; Reflux 2: sodium hydroxide / tetrahydrofuran; water / 2 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: piperidine; triphenylphosphine / tetrakis(triphenylphosphine) palladium(0); copper(l) iodide / Inert atmosphere; Molecular sieve; Reflux 2: sodium hydroxide; water / tetrahydrofuran / 2 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); copper(l) iodide; triethylamine / tetrahydrofuran / 24 h / 40 °C / Inert atmosphere; Sealed tube 2: potassium carbonate; methanol / 24 h / 20 °C View Scheme

: 1086430-30-9
methyl 3-iodo-7-isopropylazulene-1-carboxylate

: 113705-27-4
2,7-diethynylnaphthalene

: C44H36O4

Conditions

Conditions	Yield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 50℃; Sonogashira Cross-Coupling;	99%

: 9-azido-9H-xanthene

: 113705-27-4
2,7-diethynylnaphthalene

A: 4-(7-ethynylnaphthalen-2-yl)-1-(9H-xanthen-9-yl)-1H-1,2,3-triazole

B: 2,7-bis(1-(9H-xanthen-9-yl)-1H-1,2,3-triazol-4-yl)naphthalene

Conditions

Conditions	Yield
With sodium L-ascorbate; N-ethyl-N,N-diisopropylamine In tert-butyl alcohol at 50℃;	A 69% B 96%

...Expand

: 1120-90-7
3-iodopyridine

: 113705-27-4
2,7-diethynylnaphthalene

: 1262535-58-9
2,7-bis(pyridin-3-ylethynyl)naphthalene

Conditions

Conditions	Yield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In tetrahydrofuran at 20℃; for 18h; Sonogashira coupling; Inert atmosphere;	76%

: C14H11IN4

: 113705-27-4
2,7-diethynylnaphthalene

: C42H28N8

Conditions

Conditions	Yield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 50℃; for 24h; Sealed tube; Inert atmosphere;	50%

: 1443619-95-1
di-tert-butyl (((5-azido-1,3-phenylene)bis(oxy))bis(propane-3,1-diyl))dicarbamate

: 113705-27-4
2,7-diethynylnaphthalene

A: 1448431-93-3
C58H78N10O12

B: 1448431-96-6
C36H43N5O6

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃; for 16h;	A 43% B 41%

...Expand

: 636-98-6
p-nitrobenzene iodide

: 113705-27-4
2,7-diethynylnaphthalene

: 1426232-31-6
2,7-bis((4-nitrophenyl)ethynyl)naphthalene

Conditions

Conditions	Yield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 20℃; Sonogashira Cross-Coupling; Inert atmosphere;	36%

: 113705-27-4
2,7-diethynylnaphthalene

: 1079-66-9
chloro-diphenylphosphine

: 2,7-bis[(diphenylphosphoryl)ethynyl]naphthalene

Conditions

Conditions	Yield
Stage #1: 2,7-diethynylnaphthalene With n-butyllithium In methanol; diethyl ether; nitrogen at -80 - -20℃; for 3h; liquid N2; Stage #2: chloro-diphenylphosphine In methanol; diethyl ether; nitrogen at -80 - 20℃; for 24h; liquid N2; Stage #3: With dihydrogen peroxide In dichloromethane for 2h; Cooling with ice;	27.6%
Stage #1: 2,7-diethynylnaphthalene With n-butyllithium In diethyl ether at -80 - -10℃; for 3h; Inert atmosphere; Stage #2: chloro-diphenylphosphine In diethyl ether at -80 - 20℃; Inert atmosphere; Stage #3: With dihydrogen peroxide In dichloromethane; water at 0℃; for 3h;	3.6 g

: 766-77-8
Dimethylphenylsilane

: 113705-27-4
2,7-diethynylnaphthalene

: (Z,Z)-2,7-bis[2-(dimethyl(phenyl)silyl)ethenyl]naphthalene

Conditions

Conditions	Yield
With diphosphinidenecyclobutene-coordinated ruthenium In dichloromethane at 20℃; for 0.5h;

: 113705-27-4
2,7-diethynylnaphthalene

: (Z,Z)-2,7-bis(2-bromoethenyl)naphthalene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: diphosphinidenecyclobutene-coordinated ruthenium complex / CH2Cl2 / 0.5 h / 20 °C 2: 59 percent / N-bromosuccinimide / acetonitrile; H2O / 2 h / 0 °C View Scheme

: 1262546-38-2
N-(3-azidophenyl)-2-(pyrrolidin-1-yl)acetamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1400645-91-1
C38H38N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

: 1262546-35-9
N-(3-azidophenyl)-2-(piperidin-1-yl)acetamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1400645-89-7
C40H42N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

: 1262546-34-8
N-(3-azidophenyl)-2-(diethylamino)acetamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1401242-86-1
C38H42N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;
copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;	100 %Chromat.

: 921201-87-8
N-(4-azido-phenyl)-2-(pyrrolidin-1-yl)-acetamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1400645-92-2
C38H38N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

: 921201-89-0
N-(4-azido-phenyl)-2-diethylamino-acetamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1400645-95-5
C38H42N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

: 123-75-1
pyrrolidine

: 1070978-77-6
N-(3-azidophenyl)-3-(pyrrolidin-1-yl)propanamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1400645-90-0
C40H42N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

...Expand

: 1262546-37-1
N-(3-azidophenyl)-3-(diethylamino)propanamide

: 113705-27-4
2,7-diethynylnaphthalene

: 109-89-7
diethylamine

: 1400645-94-4
C40H46N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

...Expand

: 123-75-1
pyrrolidine

: 921201-92-5
N-(4-azido-phenyl)-3-(pyrrolidin-1-yl)-propionamide

: 113705-27-4
2,7-diethynylnaphthalene

: 1400645-93-3
C40H42N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

...Expand

: 1262546-36-0
N-(4-azidophenyl)-3-(diethylamino)propanamide

: 113705-27-4
2,7-diethynylnaphthalene

: 109-89-7
diethylamine

: 1400645-96-6
C40H46N10O2

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; bathophenanthrolinedispufonic acid disodium salt; sodium L-ascorbate In water; tert-butyl alcohol at 110℃; for 0.25h; Microwave irradiation;

...Expand

: 1382469-16-0
C22H35BrN2O6

: 113705-27-4
2,7-diethynylnaphthalene

: 1443620-36-7
C38H44N4O4

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: copper(l) iodide; triethylamine; tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 18 h / 70 °C / Inert atmosphere 2: trifluoroacetic acid / dichloromethane / 3 h View Scheme

: 1382469-16-0
C22H35BrN2O6

: 113705-27-4
2,7-diethynylnaphthalene

: 1443620-23-2
C58H76N4O12

Conditions

Conditions	Yield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 70℃; for 18h; Sonogashira Cross-Coupling; Inert atmosphere;	0.36 g

: 1500081-63-9
A

: 113705-27-4
2,7-diethynylnaphthalene

: 1454655-66-3
C42H52N12

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 120℃; for 0.25h; Microwave irradiation;

: 1500081-64-0
A

: 113705-27-4
2,7-diethynylnaphthalene

: 1454655-67-4
C42H52N12

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 120℃; for 0.25h; Microwave irradiation;

: 1443619-93-9
tert-butyl (3-(3-azidophenoxy)propyl)carbamate

: 113705-27-4
2,7-diethynylnaphthalene

: C32H32N8O2*2C2HF3O2

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: copper(ll) sulfate pentahydrate; sodium L-ascorbate / water; tert-butyl alcohol / 16 h / 20 °C 2: dichloromethane / 3 h / 20 °C View Scheme

: 1443619-93-9
tert-butyl (3-(3-azidophenoxy)propyl)carbamate

: 113705-27-4
2,7-diethynylnaphthalene

A: C42H48N8O6

B: C28H28N4O3

Conditions

Conditions	Yield
With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; tert-butyl alcohol at 20℃; for 16h;

...Expand

: 1443619-94-0
di-tert-butyl (((4-azido-1,2-phenylene)bis(oxy))bis(propane-3,1-diyl))dicarbamate

: 113705-27-4
2,7-diethynylnaphthalene

: 4C2HF3O2*C38H46N10O4

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: copper(ll) sulfate pentahydrate; sodium L-ascorbate / water; tert-butyl alcohol / 16 h / 20 °C 2: dichloromethane / 3 h / 20 °C View Scheme

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