N-(2-chloroethyl)-N'-cyclohexylurea
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
With tin(IV) chloride; sodium nitrite In dichloromethane at 20℃; for 2h; | 100% |
With tert.-butylnitrite In ethanol; acetonitrile at 25℃; for 0.133333h; Reagent/catalyst; Solvent; Temperature; Time; Flow reactor; | 91.2% |
With tert.-butylnitrite In ethanol; acetonitrile at 25℃; for 0.133333h; Reagent/catalyst; Temperature; Solvent; | 91.2% |
N-(2-chloroethyl)-N-nitrosocarbamic acid N-hydroxypyrrolidine-2,5-dione ester
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Ambient temperature; | 81% |
In N,N-dimethyl-formamide at 0℃; for 2h; | 80% |
(2-chloroethyl)nitrosocarbamic acid 2,4,5-trichlorophenyl ester
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 0℃; for 2h; | 80% |
N-(2-chloroethyl)-N-nitrosocarbamic acid pentachlorophenyl ester
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 0℃; for 2h; | 80% |
cyclohexylamine
pentafluorophenyl N-(2-chloroethyl)-N-nitrosocarbamate
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 0℃; for 2h; | 80% |
p-nitrophenyl N-(2-chloroethyl)-N-nitroso-carbamate
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
With pyridine; benzotriazol-1-ol 1.) -10 deg C, 1 h; 2.) 0 deg C, 24 h; | 75% |
2-chloroethyl isothiocyanate
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Stage #1: 2-chloroethyl isothiocyanate; cyclohexylamine With triethylamine In tetrahydrofuran; dichloromethane at 50℃; for 0.0166667h; Stage #2: With tert.-butylnitrite In dichloromethane; acetonitrile at 25℃; for 0.133333h; Reagent/catalyst; Solvent; Temperature; | 63.7% |
2-(cyclohexylimino)-3-nitroso-2-oxazolidine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
With hydrogenchloride In diethyl ether at 0 - 4℃; for 0.5h; | 43% |
cyclohexylamine
1,2,2,2-Tetrachloroethyl N-(2-chloroethyl) N-nitroso-carbamate
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran for 2h; Ambient temperature; Yield given; |
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2O / Heating 2: 85percent formic acid, sodium nitrate / 0 °C View Scheme |
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether / Ambient temperature 2: NaNO2, HCO2H / 0.5 h / 0 - 5 °C View Scheme |
Cyclohexyl isocyanate
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether / Ambient temperature 2: NaNO2, HCO2H / 0.5 h / 0 - 5 °C View Scheme |
2-(cyclohexylamino)-2-oxazoline
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 50 percent / n-butyl nitrite, sodium methoxide / diethyl ether / 12 h / Ambient temperature 2: 43 percent / HCl(g) / diethyl ether / 0.5 h / 0 - 4 °C View Scheme |
cyclohexylamine
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2O / Ambient temperature 2: NaNO2, HCO2H View Scheme | |
Multi-step reaction with 2 steps 1: CHCl3 2: NaNO2, HCO2H View Scheme |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
β‐cyclodextrin
Conditions | Yield |
---|---|
In ethanol; water at 60℃; for 48h; Temperature; | 80.03% |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
β‐cyclodextrin
Conditions | Yield |
---|---|
In ethanol; water at 40℃; for 72h; Temperature; | 74.67% |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
β‐cyclodextrin
Conditions | Yield |
---|---|
In ethanol; water at 60℃; for 72h; Temperature; | 50.44% |
In acetonitrile |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
A
Diazoethan
B
N-(2-chloroethyl)-N'-cyclohexylurea
C
ethanol
D
cyclohexylamine
E
ethylamine
Conditions | Yield |
---|---|
With potassium hydroxide; aluminum nickel In methanol Product distribution; Mechanism; degradation under various conditions (HBr in glac. CH3CO2H) with preparation of nonmutagenic reaction mixtures of products; |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
A
ethylene glycol
B
acetaldehyde
C
2-chloro-ethanol
Conditions | Yield |
---|---|
In water; acetonitrile at 36.9℃; for 23h; Mechanism; other N-(2-haloethyl)-N'-cyclohexyl-N-nitrosoureas; var. pH; |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
trifluoroacetic anhydride
Conditions | Yield |
---|---|
at 85℃; for 3h; |
1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide at 20℃; for 1.16667h; |
The Lomustine is an organic compound with the formula C9H16ClN3O2. The IUPAC name of this chemical is 1-(2-chloroethyl)-3-cyclohexyl-1-nitrosourea. With the CAS registry number 13010-47-4, it is also named as 1-Nitrosourea, 1-(2-chloroethyl)-3-cyclohexyl-. The product's categories are Pharmaceutical; Intermediates & Fine Chemicals; Nitric Oxide Reagents; Pharmaceuticals. Besides, it is a yellow powder, which should be stored in a closed cool and dry place at temperature of -20 °C.
The Lomustine is an alkylating nitrosourea compound used in chemotherapy. It is in the same family as streptozotocin. This is a highly lipid soluble drug, and thus crosses the blood brain barrier. This property makes it ideal for treating brain tumors, and is its primary use.
Physical properties about Lomustine are: (1)ACD/LogP: 2.76; (2)ACD/LogD (pH 5.5): 2.76; (3)ACD/LogD (pH 7.4): 2.76; (4)ACD/BCF (pH 5.5): 73.94; (5)ACD/BCF (pH 7.4): 73.91; (6)ACD/KOC (pH 5.5): 757.43; (7)ACD/KOC (pH 7.4): 757.19; (8)#H bond acceptors: 5; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 4; (11)Polar Surface Area: 52.98 Å2; (12)Index of Refraction: 1.582; (13)Molar Refractivity: 57.84 cm3; (14)Molar Volume: 173 cm3; (15)Polarizability: 22.92×10-24cm3; (16)Surface Tension: 50.2 dyne/cm; (17)Density: 1.35 g/cm3.
Preparation: this chemical can be prepared by cyclohexyl-(3-nitroso-oxazolidin-2-ylidene)-amine. This reaction will need reagent HCl(g) and solvent diethyl ether. The reaction time is 30 min with reaction temperature of 0 - 4 °C. The yield is about 43%.
When you are using this chemical, please be cautious about it as the following:
It is toxic if swallowed. Besides, this chemical may cause cancer. Please avoid exposure - obtain special instructions before use. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: O=C(NC1CCCCC1)N(N=O)CCCl
(2)InChI: InChI=1/C9H16ClN3O2/c10-6-7-13(12-15)9(14)11-8-4-2-1-3-5-8/h8H,1-7H2,(H,11,14)
(3)InChIKey: GQYIWUVLTXOXAJ-UHFFFAOYAV
(4)Std. InChI: InChI=1S/C9H16ClN3O2/c10-6-7-13(12-15)9(14)11-8-4-2-1-3-5-8/h8H,1-7H2,(H,11,14)
(5)Std. InChIKey: GQYIWUVLTXOXAJ-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
dog | LDLo | intravenous | 5mg/kg (5mg/kg) | Cancer Chemotherapy Reports, Part 3. Vol. 4(3), Pg. 13, 1973. | |
dog | LDLo | oral | 10mg/kg (10mg/kg) | Advances in Cancer Research. Vol. 16, Pg. 273, 1972. | |
human | TDLo | oral | 3mg/kg (3mg/kg) | GASTROINTESTINAL: NAUSEA OR VOMITING BLOOD: LEUKOPENIA BLOOD: THROMBOCYTOPENIA | Cancer Treatment Reports. Vol. 60, Pg. 709, 1976. |
human | TDLo | oral | 30mg/kg (30mg/kg) | BEHAVIORAL: ANOREXIA (HUMAN GASTROINTESTINAL: NAUSEA OR VOMITING | Cancer Chemotherapy Reports, Part 3. Vol. 3, Pg. 33, 1972. |
monkey | LDLo | intravenous | 20mg/kg (20mg/kg) | KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)" BLOOD: OTHER HEMOLYSIS WITH OR WITHOUT ANEMIA | National Technical Information Service. Vol. PB214-246, |
mouse | LD10 | intravenous | 40mg/kg (40mg/kg) | Antibiotics and Chemotherapy Vol. 23, Pg. 64, 1978. | |
mouse | LD50 | intraperitoneal | 53mg/kg (53mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED" KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED | Toxicology and Applied Pharmacology. Vol. 21, Pg. 405, 1972. |
mouse | LD50 | oral | 38mg/kg (38mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED" | Toxicology and Applied Pharmacology. Vol. 21, Pg. 405, 1972. |
mouse | LD50 | subcutaneous | 54mg/kg (54mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED" KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED | Toxicology and Applied Pharmacology. Vol. 21, Pg. 405, 1972. |
mouse | LD50 | unreported | 30mg/kg (30mg/kg) | European Journal of Medicinal Chemistry--Chimie Therapeutique. Vol. 12, Pg. 397, 1977. | |
rat | LD50 | intraperitoneal | 50350ug/kg (50.35mg/kg) | National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. Vol. JAN1986, | |
rat | LD50 | oral | 70mg/kg (70mg/kg) | GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" KIDNEY, URETER, AND BLADDER: URINE VOLUME INCREASED LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED" | Toxicology and Applied Pharmacology. Vol. 21, Pg. 405, 1972. |
women | LDLo | oral | 28mg/kg/1W-I (28mg/kg) | BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" BLOOD: APLASTIC ANEMIA | Annals of Pharmacotherpy. Vol. 29, Pg. 384, 1995. |
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