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Conditions | Yield |
---|---|
With radical anion of p,p'-di-tert-butylbiphenyl In tetrahydrofuran at -25℃; Irradiation; | A 2.8% B 97.2% |
1-bromo-3,5-dichlorobenzene
1,3,5-trichlorobenzene
Conditions | Yield |
---|---|
With chlorine; sodium thiosulfate | 97.2% |
Conditions | Yield |
---|---|
With sulfuric acid; hypophosphorous acid; sodium nitrite In water at -5 - 25℃; | 95% |
With tetrafluoroboric acid; N,N-dimethyl-formamide; sodium nitrite In water at 45℃; for 0.25h; Product distribution; or benzene, room temperature, 3 h; | 94% |
Stage #1: 2,4,6-trichloroaniline With sulfuric acid Stage #2: With sodium nitrite In water for 0.75h; Cooling with ice; Stage #3: With sodium hypophosphite hydrate In hexane; water at 20℃; Cooling with ice; | 84% |
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; N-benzyl-N,N,N-triethylammonium chloride; sodium nitrite In tetrachloromethane 1.) 0 deg C, 1.5 h, 2.) r.t., 14 h; | 95% |
1,3-dibromo-5-chlorobenzene
1,3,5-trichlorobenzene
Conditions | Yield |
---|---|
With chlorine; sodium thiosulfate In tetrachloromethane | 91% |
LINDANE
A
1,3,5-trichlorobenzene
B
1,2,4-Trichlorobenzene
C
1,2,3-trichlorobenzene
Conditions | Yield |
---|---|
With ammonia at 25℃; Product distribution; Further Variations:; Reagents; Dehalogenation; | A 5% B 87% C 8% |
at 25℃; pH=8.32; Kinetics; Product distribution; Further Variations:; pH-values; | |
With (5,10,15,20-tetrakis(pentafluorophenyl)porphyrinato)iron(III) chloride; tetrabutylammonium perchlorate In N,N-dimethyl-formamide for 4h; Electrolysis; |
Conditions | Yield |
---|---|
With tetrafluoroboric acid; hydrogen iodide In acetonitrile at 60℃; for 24h; | A 3% B 86% |
1,2,3,5-tetrachlorobenzene
A
1,3,5-trichlorobenzene
B
1,2,4-Trichlorobenzene
C
1,2,3-trichlorobenzene
Conditions | Yield |
---|---|
With radical anion of p,p'-di-tert-butylbiphenyl; triethylamine In tetrahydrofuran at 45℃; Irradiation; | A 18.8% B 75.5% C 5.7% |
With radical anion of p,p'-di-tert-butylbiphenyl; triethylamine In tetrahydrofuran at 45℃; Product distribution; Rate constant; Mechanism; Irradiation; radical anion of naphthalene, different temperatures, without Et3N; | A 18.8% B 75.5% C 5.7% |
With radical anion of p,p'-di-tert-butylbiphenyl In tetrahydrofuran at 45℃; Irradiation; | A 59.2% B 40.5% C 0.3% |
In acetonitrile at 40℃; Product distribution; Mechanism; Quantum yield; Irradiation; in the presence of triethylamine; | A 18.77 % Chromat. B 75.45 % Chromat. C 5.78 % Chromat. |
With sodium bis(2-methoxyethoxy)aluminium dihydride In toluene at 70℃; Rate constant; relative reactivity in dehalogenation; |
A
1,3,5-trichlorobenzene
B
2,2',4,4',6,6'-Hexachlorobiphenyl
C
2,4,6-trichlorobenzenediazohydroxide
D
2,2',4,4',6,6'-Hexachlor-azobenzen
Conditions | Yield |
---|---|
With 2,2,2-trifluoroethanol at 34℃; for 24h; Irradiation; Further byproducts given; | A 51.4% B 12.4% C 1.5% D 15.3% |
A
1,3,5-trichlorobenzene
B
2,2',4,4',6,6'-Hexachlorobiphenyl
C
2,4,6-trichlorobenzenediazohydroxide
D
2,2',4,4',6,6'-Hexachlor-azobenzen
Conditions | Yield |
---|---|
With 2,2,2-trifluoroethanol at 34℃; for 24h; Product distribution; influence of magnetic field; | A 51.4% B 12.4% C 1.5% D 15.3% E n/a |
1. | dlt-oin-oin-par 10 ppm | EVETBX Environmental Entomology. 2 (1973),1029. | ||
2. | dlt-oin-oin-skn 10 ppm | EVETBX Environmental Entomology. 2 (1973),1029. | ||
3. | mnt-mus-ipr 425 mg/kg/24H | MUTAEX Mutagenesis. 2 (1987),111. | ||
4. | orl-rat LD50:800 mg/kg | 48RKAL Industrial and Environmental Xenobiotics: Metabolism and Pharmacokinetics of Organic Chemicals and Metals, Proceedings of an International Conference, Prague ,Gut, I., et al.,Berlin, Fed. Rep, Ger..: Springer-Verlag,1981,389. | ||
5. | orl-mus LD50:3350 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) UCRL-13701 . | ||
6. | ipr-mus LD50:2260 mg/kg | MUTAEX Mutagenesis. 2 (1987),111. |
(1)It must be separated from strong oxidants and keep in a well-ventilated room.
(2)When spilled,sweep it into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment.