Product Name

  • Name

    Tetrahydro pyrrole

  • EINECS 204-648-7
  • CAS No. 123-75-1
  • Article Data313
  • CAS DataBase
  • Density 0.866 g/cm3
  • Solubility Miscible with water
  • Melting Point -63 °C, 210 K, -81 °F
  • Formula C4H9N
  • Boiling Point 89.451 °C at 760 mmHg
  • Molecular Weight 71.1222
  • Flash Point 2.778 °C
  • Transport Information UN 1922 3/PG 2
  • Appearance Colourless to pale yellow liquid
  • Safety 16-26-36/37/39-45-33
  • Risk Codes 11-22-23-34-35-20/21/22-20/22
  • Molecular Structure Molecular Structure of 123-75-1 (Tetrahydro pyrrole)
  • Hazard Symbols FlammableF,ToxicT,CorrosiveC
  • Synonyms Pyrrolidin;Tetramethylenimine;Pyrrolidine ring;Perhydropyrrole;Pyrrole, tetrahydro-;2,3,4,5-Tetrahydropyrrole;Azacyclopentane;Butylenimine;Pyrrolidine (Tetrahydropyrrole);Pyrrolidine 99%;Pyrrolidine;Prolamine;
  • PSA 12.03000
  • LogP 0.69860

Synthetic route

pyrrole
109-97-7

pyrrole

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With 5% Ru/MgO; hydrogen In tetrahydrofuran at 150℃; under 38002.6 Torr; for 0.7h;100%
With dichloro(μ-chloro)(μ-hydrido)bis(η-p-cymene)diruthenium(II); hydrogen In neat (no solvent) at 90℃; under 60006 Torr; for 40h;89%
With Cp*Rh(2-(2-pyridyl)phenyl)H; hydrogen In neat (no solvent) at 100℃; under 27361.8 Torr; for 48h; Catalytic behavior; Glovebox;74%
N-(methoxycarbonyl)pyrrolidine
56475-80-0

N-(methoxycarbonyl)pyrrolidine

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With tert-butylamine In methanol for 3h; Heating;100%
With methyllithium; lithium bromide In tetrahydrofuran at 0℃; for 1h;95%
1-(pyrrolidinyl)-2,4-dinitronaphthalene
78521-30-9

1-(pyrrolidinyl)-2,4-dinitronaphthalene

methylamine
74-89-5

methylamine

A

pyrrolidine
123-75-1

pyrrolidine

B

1-(Methylamino)-2,4-dinitronaphthalene
39139-78-1

1-(Methylamino)-2,4-dinitronaphthalene

Conditions
ConditionsYield
In water at 30℃; for 1h;A n/a
B 98%
2-pyrrolidinon
616-45-5

2-pyrrolidinon

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With methanesulfonic acid; ruthenium(1,1,1-tris(di(3,5-dimethylphenyl)phosphinomethyl)ethane)(η4-trimethylenemethane); hydrogen In tetrahydrofuran at 160℃; under 75007.5 Torr; for 16h; Autoclave; Schlenk technique;98%
With tris(pentafluorophenyl)borate; C21H35BrMnNO2P2; potassium tert-butylate; hydrogen In m-xylene at 150℃; under 37503.8 Torr; for 72h;81%
With borane-ammonia complex; boron trifluoride diethyl etherate; tris(pentafluorophenyl)borate In 1,2-dichloro-ethane at 60℃; for 16h;77%
1,4-diaminobutane
110-60-1

1,4-diaminobutane

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
HZSM-5(280) zeolite In water at 300℃; Cyclization;97%
tris(triphenylphosphine)ruthenium(II) chloride In diphenylether at 180℃; for 5h; Product distribution; other α,ω-aliphatic diamines;90%
With carbonylchloro[4,5-bis(diisopropylphosphinomethyl)acridine]hydridoruthenium(II) In 1,4-dioxane; water at 100℃; for 22h; Schlenk technique; Inert atmosphere;88%
pyrrolidine-1-carboxylic acid prop-2-ynyl ester
123477-57-6

pyrrolidine-1-carboxylic acid prop-2-ynyl ester

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With benzyltriethylammonium tetrathiomolybdate In acetonitrile at 20℃; for 2.5h;97%
Butane-1,4-diol
110-63-4

Butane-1,4-diol

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With ammonia; hydrogen; CuO/ZnO/Al2O3 at 220℃; under 26252.1 Torr;94%
With aluminum oxide; ammonia at 400℃;
With aluminum oxide; ammonia at 325℃;
ethyl pyrrolidine-1-carboxylate
5470-26-8

ethyl pyrrolidine-1-carboxylate

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With methyllithium; lithium bromide In tetrahydrofuran at 0℃; for 1h;94%
1-(9-fluorenylmethoxycarbonyl)pyrrolidine
142653-70-1

1-(9-fluorenylmethoxycarbonyl)pyrrolidine

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With triethylamine; 1-butyl-3-methylimidazolium Tetrafluoroborate In neat (no solvent) at 25℃; for 0.0666667h; Green chemistry;93%
N-benzylpyrrolidine
29897-82-3

N-benzylpyrrolidine

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With 9,10-Dicyanoanthracene In water; acetonitrile Irradiation;90%
4-Aminobutanol
13325-10-5

4-Aminobutanol

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With carbonylchloro[4,5-bis(diisopropylphosphinomethyl)acridine]hydridoruthenium(II) In 1,4-dioxane; water at 100℃; for 10h; Schlenk technique; Inert atmosphere;88%
With aluminum oxide; nitrogen at 400℃;
dihydridotetrakis(triphenylphosphine)ruthenium In neat (no solvent) at 155℃; for 24h;79 % Chromat.
C13H14BrN3O3

C13H14BrN3O3

A

pyrrolidine
123-75-1

pyrrolidine

B

5-Bromo-7-nitroindoline
80166-90-1

5-Bromo-7-nitroindoline

Conditions
ConditionsYield
With water In 1,4-dioxane; dichloromethane at 20℃; for 12h; UV-irradiation;A 88%
B n/a
tert-butyl pyrrolidine-1-carboxylate
86953-79-9

tert-butyl pyrrolidine-1-carboxylate

A

pyrrolidine
123-75-1

pyrrolidine

B

isobutene
115-11-7

isobutene

Conditions
ConditionsYield
With methanesulfonic acid In tetrahydrofuran at 45℃; Solvent; Temperature;A 83%
B n/a
With cyclohexene at 260.9℃; under 44 Torr; Kinetics; Further Variations:; Pressures; Temperatures;
N-nitrosopyrrolidine
930-55-2

N-nitrosopyrrolidine

pyrrolidine
123-75-1

pyrrolidine

Conditions
ConditionsYield
With isocyanate de chlorosulfonyle In diethyl ether for 10h; Ambient temperature;78%
methanol
67-56-1

methanol

N-(4-methylphenylsulfinyl)pyrrolidine
57671-12-2

N-(4-methylphenylsulfinyl)pyrrolidine

A

pyrrolidine
123-75-1

pyrrolidine

B

methyl p-toluene sulfinate
672-78-6

methyl p-toluene sulfinate

Conditions
ConditionsYield
With tetraethylammonium tosylate Electrochemical reaction; reticulated vitreous carbon anode; Pt cathode;A n/a
B 75%
C20H22NO2S(1+)*BF4(1-)

C20H22NO2S(1+)*BF4(1-)

A

pyrrolidine
123-75-1

pyrrolidine

B

[(methylthio)methyl]-benzene
766-92-7

[(methylthio)methyl]-benzene

C

N1,N2-dimethylphthalamide
19532-98-0

N1,N2-dimethylphthalamide

Conditions
ConditionsYield
With methylamine at 30℃; for 20h;A n/a
B 74%
C n/a
Butane-1,4-diol
110-63-4

Butane-1,4-diol

A

pyrrolidine
123-75-1

pyrrolidine

B

1-butylpyrrolidine
767-10-2

1-butylpyrrolidine

C

4-(pyrrolidin-1-yl)butan-1-ol
93264-47-2

4-(pyrrolidin-1-yl)butan-1-ol

D

1,4-di-(1-pyrrolidinyl)butane
41726-75-4

1,4-di-(1-pyrrolidinyl)butane

E

N-butylamine
109-73-9

N-butylamine

Conditions
ConditionsYield
With ammonia; hydrogen; iron RFC at 260℃; Product distribution; Mechanism; other temp. (280, 300, 310 deg C);A 71%
B 12%
C n/a
D n/a
E 9%
C17H22NO2S(1+)*BF4(1-)

C17H22NO2S(1+)*BF4(1-)

A

pyrrolidine
123-75-1

pyrrolidine

B

sulfure de pentamethylene
1613-51-0

sulfure de pentamethylene

C

N1,N2-dimethylphthalamide
19532-98-0

N1,N2-dimethylphthalamide

Conditions
ConditionsYield
With methylamine at 30℃; for 20h;A n/a
B 71%
C n/a
C20H30NO2S(1+)*BF4(1-)

C20H30NO2S(1+)*BF4(1-)

A

pyrrolidine
123-75-1

pyrrolidine

B

Dibutyl sulfide
544-40-1

Dibutyl sulfide

C

N1,N2-dimethylphthalamide
19532-98-0

N1,N2-dimethylphthalamide

Conditions
ConditionsYield
With methylamine at 30℃; for 20h;A n/a
B 70%
C n/a
C6H12NO(1+)*CH3O4S(1-)
73722-93-7

C6H12NO(1+)*CH3O4S(1-)

A

pyrrolidine
123-75-1

pyrrolidine

B

1-pyrrolidinecarboxaldehyde
3760-54-1

1-pyrrolidinecarboxaldehyde

C

N-nitrosopyrrolidine
930-55-2

N-nitrosopyrrolidine

Conditions
ConditionsYield
With sodium nitrite In waterA n/a
B 70%
C n/a
pyrrolidine
123-75-1

pyrrolidine

succinic acid anhydride
108-30-5

succinic acid anhydride

4-oxo-4-(1-pyrrolidinyl)butanoic acid
69338-35-8

4-oxo-4-(1-pyrrolidinyl)butanoic acid

Conditions
ConditionsYield
In acetonitrile at 20℃;100%
In chloroform for 1h; Heating;83%
With diethyl ether
Reflux;
In toluene for 2.5h; Reflux;
pyrrolidine
123-75-1

pyrrolidine

Nonanoyl chloride
764-85-2

Nonanoyl chloride

1-(pyrrolidin-1-yl)nonan-1-one
20308-70-7

1-(pyrrolidin-1-yl)nonan-1-one

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 14h; Inert atmosphere;100%
With diethyl ether; triethylamine
pyrrolidine
123-75-1

pyrrolidine

undec-10-enoyl chloride
38460-95-6

undec-10-enoyl chloride

1-(pyrrolidin-1-yl)undec-10-en-1-one
95018-99-8

1-(pyrrolidin-1-yl)undec-10-en-1-one

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 14h; Inert atmosphere;100%
With triethylamine In dichloromethane at 0 - 23℃; for 14h;100%
With triethylamine In dichloromethane at 0 - 23℃; for 14h;100%
pyrrolidine
123-75-1

pyrrolidine

Cholest-4-en-3-one
601-57-0

Cholest-4-en-3-one

1-cholesta-3,5-dien-3-yl-pyrrolidine
2309-31-1

1-cholesta-3,5-dien-3-yl-pyrrolidine

Conditions
ConditionsYield
In benzene for 24h; Heating;100%
In benzene100%
93%
pyrrolidine
123-75-1

pyrrolidine

cyclohexane-1,2-epoxide
286-20-4

cyclohexane-1,2-epoxide

(+/-)-trans-[2-(pyrrolidinyl)]cyclohexanol
69420-67-3

(+/-)-trans-[2-(pyrrolidinyl)]cyclohexanol

Conditions
ConditionsYield
for 114h; Heating;100%
With lithium bromide at 20℃; for 2h;100%
With zinc(II) perchlorate hexahydrate at 80℃; for 1h;100%
pyrrolidine
123-75-1

pyrrolidine

cyclohexanone
108-94-1

cyclohexanone

1-(1-Cyclohexen-1-yl)pyrrolidine
1125-99-1

1-(1-Cyclohexen-1-yl)pyrrolidine

Conditions
ConditionsYield
In toluene for 18h; Molecular sieve; Dean-Stark trap; Heating / reflux;100%
With sulfuric acid In toluene Dean-Stark; Reflux;99%
With K-10 Montmorillonite clay In toluene for 2.5h; Heating;95%
pyrrolidine
123-75-1

pyrrolidine

4-chlorobenzonitrile
100-00-5

4-chlorobenzonitrile

1-(4-nitro-phenyl)-pyrrolidine
10220-22-1

1-(4-nitro-phenyl)-pyrrolidine

Conditions
ConditionsYield
In tetrahydrofuran at 50℃; under 4500360 Torr; for 20h;100%
In tetrahydrofuran at 50℃; under 6000 Torr; for 2h; Product distribution; other pressure;100%
at 108℃; for 2h; Neat (no solvent);98%
pyrrolidine
123-75-1

pyrrolidine

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

methyl 3-(pyrrolidin-1-yl)propanoate
22041-21-0

methyl 3-(pyrrolidin-1-yl)propanoate

Conditions
ConditionsYield
With zirconium(IV) chloride In dichloromethane at 20℃; for 0.75h; Michael addition;100%
With silica-supported aluminum chloride at 60℃; for 2h; Michael addition; Neat (no solvent);100%
In dichloromethane at 0 - 20℃; for 2h;100%
pyrrolidine
123-75-1

pyrrolidine

chloroacetyl chloride
79-04-9

chloroacetyl chloride

chloroacetic acid pyrrolidide
20266-00-6

chloroacetic acid pyrrolidide

Conditions
ConditionsYield
In acetone at 20℃;100%
In tetrahydrofuran at 0 - 20℃; for 3.5h;99%
In tetrahydrofuran at 20℃; for 12h; Acylation;98%
pyrrolidine
123-75-1

pyrrolidine

phenylacetyl chloride
103-80-0

phenylacetyl chloride

phenylacetylpyrrolidine
3389-53-5

phenylacetylpyrrolidine

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃;100%
With triethylamine In dichloromethane at 20℃; for 14h; Inert atmosphere;100%
With triethylamine In dichloromethane at 20℃;92%
pyrrolidine
123-75-1

pyrrolidine

1-nitropyrrolidine
3760-55-2

1-nitropyrrolidine

Conditions
ConditionsYield
With 2-(trifluoromethyl)-2-propyl nitrate at 50℃; for 168h;100%
With nitronium trifluoromethanesulfonate In dichloromethane at -20℃; for 1h;43%
With tetrachloromethane; dinitrogen pentoxide
With butyl nitrate; ethylmagnesium bromide 1.) benzene, 15 min, 2.) benzene, 0.5 h; Yield given. Multistep reaction;
pyrrolidine
123-75-1

pyrrolidine

Cyclopentene oxide
285-67-6

Cyclopentene oxide

(+/-)-trans-(1-pyrrolidinyl)cyclopentan-2-ol
32635-39-5

(+/-)-trans-(1-pyrrolidinyl)cyclopentan-2-ol

Conditions
ConditionsYield
bismuth(lll) trifluoromethanesulfonate at 160℃; for 0.25h; microwave irradiation;100%
With triethylaluminum 1.) toluene, CH2Cl2, 25-30 deg C, 30 min, 2.) room temperature; Yield given. Multistep reaction;
In water
With potassium carbonate
In ethanol at 80℃; for 18h; Inert atmosphere;
pyrrolidine
123-75-1

pyrrolidine

4-butanolide
96-48-0

4-butanolide

4-hydroxy-1-(pyrrolidin-1-yl)butan-1-one
73200-24-5

4-hydroxy-1-(pyrrolidin-1-yl)butan-1-one

Conditions
ConditionsYield
With triethylamine Inert atmosphere; Reflux;100%
With triethylamine for 16h; Reflux;94%
In benzene for 3h; Heating;90%
pyrrolidine
123-75-1

pyrrolidine

3,4,5,6-tetrahydro-2H-pyran-2-one
542-28-9

3,4,5,6-tetrahydro-2H-pyran-2-one

5-hydroxy-1-(pyrrolidin-1-yl)pentan-1-one
73200-35-8

5-hydroxy-1-(pyrrolidin-1-yl)pentan-1-one

Conditions
ConditionsYield
With triethylamine Inert atmosphere; Reflux;100%
In benzene82%
pyrrolidine
123-75-1

pyrrolidine

phenylacetic acid
103-82-2

phenylacetic acid

phenylacetylpyrrolidine
3389-53-5

phenylacetylpyrrolidine

Conditions
ConditionsYield
Stage #1: phenylacetic acid With 4-iodofuran-3-yl-boronic acid In dichloromethane for 0.166667h; Molecular sieve 4Å;
Stage #2: pyrrolidine In dichloromethane at 25℃; for 6h; Product distribution / selectivity;
100%
With 4 A molecular sieve at 150℃; for 2h;98%
With tetramethylorthosilicate In toluene at 110℃; for 1h; Inert atmosphere;98%
pyrrolidine
123-75-1

pyrrolidine

p-nitrobenzene iodide
636-98-6

p-nitrobenzene iodide

1-(4-nitro-phenyl)-pyrrolidine
10220-22-1

1-(4-nitro-phenyl)-pyrrolidine

Conditions
ConditionsYield
In tetrahydrofuran at 50℃; under 9000720 Torr; for 20h;100%
With copper(l) iodide; 1-(5,6,7,8-tetrahydroquinolin-8-yl)ethan-1-one; caesium carbonate In N,N-dimethyl-formamide at 25℃; for 24h; Ullmann condensation; Inert atmosphere;95%
With copper(l) iodide In N,N-dimethyl acetamide at 130℃; for 24h;95%
pyrrolidine
123-75-1

pyrrolidine

1-Chlor-4-phenyl-pyridazino<4,5-d>pyridazin
72553-83-4

1-Chlor-4-phenyl-pyridazino<4,5-d>pyridazin

1-Pyrrolidino-4-phenyl-pyridazino<4,5-d>pyridazin
83490-50-0

1-Pyrrolidino-4-phenyl-pyridazino<4,5-d>pyridazin

Conditions
ConditionsYield
for 3h; Heating;100%
pyrrolidine
123-75-1

pyrrolidine

6'-chloro-1,3,1',3'-tetramethyl-3H,1'H-[4,5']bipyrimidinyl-2,6,2',4'-tetraone
74151-83-0

6'-chloro-1,3,1',3'-tetramethyl-3H,1'H-[4,5']bipyrimidinyl-2,6,2',4'-tetraone

1,3,1',3'-Tetramethyl-6-pyrrolidin-1-yl-1H,1'H-[5,5']bipyrimidinyl-2,4,2',4'-tetraone

1,3,1',3'-Tetramethyl-6-pyrrolidin-1-yl-1H,1'H-[5,5']bipyrimidinyl-2,4,2',4'-tetraone

Conditions
ConditionsYield
100%
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

2-Methylbutyraldehyde
96-17-3, 57456-98-1

2-Methylbutyraldehyde

2,2-Dimethyl-5-(2-methyl-1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione

2,2-Dimethyl-5-(2-methyl-1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

d,l-2-ethylhexanal
123-05-7

d,l-2-ethylhexanal

5-(2-Ethyl-1-pyrrolidin-1-yl-hexyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
93498-12-5

5-(2-Ethyl-1-pyrrolidin-1-yl-hexyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

benzaldehyde
100-52-7

benzaldehyde

2,2-Dimethyl-5-(phenyl-pyrrolidin-1-yl-methyl)-[1,3]dioxane-4,6-dione
93498-11-4

2,2-Dimethyl-5-(phenyl-pyrrolidin-1-yl-methyl)-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

propionaldehyde
123-38-6

propionaldehyde

2,2-Dimethyl-5-(1-pyrrolidin-1-yl-propyl)-[1,3]dioxane-4,6-dione
93498-07-8

2,2-Dimethyl-5-(1-pyrrolidin-1-yl-propyl)-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

butyraldehyde
123-72-8

butyraldehyde

2,2-Dimethyl-5-(1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione
93498-08-9

2,2-Dimethyl-5-(1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

isobutyraldehyde
78-84-2

isobutyraldehyde

2,2-Dimethyl-5-(2-methyl-1-pyrrolidin-1-yl-propyl)-[1,3]dioxane-4,6-dione
93498-09-0

2,2-Dimethyl-5-(2-methyl-1-pyrrolidin-1-yl-propyl)-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
pyrrolidine
123-75-1

pyrrolidine

formaldehyd
50-00-0

formaldehyd

1-acetyl-3-(2-propynyl)-2-imidazolidone
142238-04-8

1-acetyl-3-(2-propynyl)-2-imidazolidone

1-Acetyl-3-(4-pyrrolidin-1-yl-but-2-ynyl)-imidazolidin-2-one
142237-98-7

1-Acetyl-3-(4-pyrrolidin-1-yl-but-2-ynyl)-imidazolidin-2-one

Conditions
ConditionsYield
With acetic acid; copper(l) chloride In 1,4-dioxane at 50℃; for 4h;100%
pyrrolidine
123-75-1

pyrrolidine

4,5-dihydro-5-phenyl-2(3H)-furanone
1008-76-0

4,5-dihydro-5-phenyl-2(3H)-furanone

4-hydroxy-4-phenyl-1-(pyrrolidine-1-yl)butan-1-one
99802-88-7

4-hydroxy-4-phenyl-1-(pyrrolidine-1-yl)butan-1-one

Conditions
ConditionsYield
With triethylamine Reflux; Inert atmosphere;100%
With triethylamine for 72h; Schlenk technique; Reflux;97%
In water for 4h; Heating;90%
pyrrolidine
123-75-1

pyrrolidine

5,6,9,10,11,11a-Hexahydro-2,3-dimethoxy-8,10-dioxo-8H-benzoquinolizine
5911-65-9

5,6,9,10,11,11a-Hexahydro-2,3-dimethoxy-8,10-dioxo-8H-benzoquinolizine

5,6,11,11a-Tetrahydro-2,3-dimethoxy-8-oxo-10-(1-pyrrolidinyl)-8H-benzoquinolizine
85222-89-5

5,6,11,11a-Tetrahydro-2,3-dimethoxy-8-oxo-10-(1-pyrrolidinyl)-8H-benzoquinolizine

Conditions
ConditionsYield
In benzene for 1h; Heating;100%
pyrrolidine
123-75-1

pyrrolidine

7α,11β-eudesm-4-en-12,6α-olide
18410-00-9

7α,11β-eudesm-4-en-12,6α-olide

(S)-2-((1S,2S,4aR)-1-Hydroxy-4a,8-dimethyl-1,2,3,4,4a,5,6,7-octahydro-naphthalen-2-yl)-1-pyrrolidin-1-yl-propan-1-one

(S)-2-((1S,2S,4aR)-1-Hydroxy-4a,8-dimethyl-1,2,3,4,4a,5,6,7-octahydro-naphthalen-2-yl)-1-pyrrolidin-1-yl-propan-1-one

Conditions
ConditionsYield
In benzene for 30h; Ambient temperature;100%
pyrrolidine
123-75-1

pyrrolidine

(S)-2-((1S,2S,4aR)-1-Hydroxy-4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-2-yl)-1-pyrrolidin-1-yl-propan-1-one

(S)-2-((1S,2S,4aR)-1-Hydroxy-4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-2-yl)-1-pyrrolidin-1-yl-propan-1-one

Conditions
ConditionsYield
In benzene for 18h; Ambient temperature;100%

Tetrahydro pyrrole Consensus Reports

Reported in EPA TSCA Inventory.

Tetrahydro pyrrole Standards and Recommendations

DOT Classification:  3;
Label: Flammable Liquid

Tetrahydro pyrrole Specification

The Pyrrolidine with CAS registry number of 123-75-1 is also known as Tetrahydropyrrole. The IUPAC name and product name are the same. It belongs to product categories of Imidazoles, Pyrroles, Pyrazoles, Pyrrolidines; Flavor. Its EINECS registry number is 204-648-7. In addition, the formula is C4H9N and the molecular weight is 71.12. This chemical is a colourless to pale yellow liquid and should be sealed in dark place.

Physical properties about Pyrrolidine are: (1)ACD/LogP: 0.09; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 1; (7)#H bond donors: 1; (8)Index of Refraction: 1.428; (9)Molar Refractivity: 21.795 cm3; (10)Molar Volume: 84.749 cm3; (11)Surface Tension: 26.891 dyne/cm; (12)Density: 0.839 g/cm3; (13)Flash Point: 2.778 °C; (14)Enthalpy of Vaporization: 33.01 kJ/mol; (15)Boiling Point: 89.451 °C at 760 mmHg; (16)Vapour Pressure: 58.582 mmHg at 25 °C.

Preparation of Pyrrolidine: it is prepared by reaction of maleic anhydride. Product is obtained by hydrogenation and amination.

Pyrrolidine is prepared by reaction of maleic anhydride.

Uses of Pyrrolidine: it is used to produce 1-prop-2-ynyl-pyrrolidine by reaction with 3-bromo-propyne. The reaction occurs with reagents KOH, alumina and solvent aliquat 336 at 20 °C. The yield is about 55%. Besides, it is also used as pharmaceutical raw materials, organic synthesis and special organic solvent.

Pyrrolidine is used to produce 1-prop-2-ynyl-pyrrolidine by reaction with 3-bromo-propyne.

When you are using this chemical, please be cautious about it. As a chemical, it is harmful by inhalation, in contact with skin and if swallowed. It is highly flammable and may cause severe burns. During using it, wear suitable protective clothing, gloves and eye/face protection. Take precautionary measures against static discharges and keep away from sources of ignition. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1CCNC1
2. InChI: InChI=1S/C4H9N/c1-2-4-5-3-1/h5H,1-4H2
3. InChIKey: RWRDLPDLKQPQOW-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LDLo oral 250mg/kg (250mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 104, 1982.
mammal (species unspecified) LD50 oral 250mg/kg (250mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(4), Pg. 86, 1974.
mouse LC50 inhalation 1300mg/m3/2H (1300mg/m3) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT

VASCULAR: OTHER CHANGES
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(2), Pg. 29, 1974.
mouse LD50 intraperitoneal 420mg/kg (420mg/kg)   Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 82, 1946.
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#06769,
mouse LD50 oral 450mg/kg (450mg/kg)   Bollettino Chimico Farmaceutico. Vol. 103, Pg. 414, 1964.
rabbit LDLo oral 250mg/kg (250mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 104, 1982.
rat LD50 oral 300mg/kg (300mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: EXCITEMENT

VASCULAR: OTHER CHANGES
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(2), Pg. 29, 1974.

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