[ CAS No. 181258-46-8 ]

Name: 181258-46-8|tert-Butyl 2-(bromomethyl)pyrrolidine-1-carboxylate|95%
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3d Animation Molecule Structure of 181258-46-8

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Quality Control of [ 181258-46-8 ]

COA NMR CNMR HPLC LC-MS

Related Doc. of [ 181258-46-8 ]

SDS Specification

Alternatived Products of [ 181258-46-8 ]

Product Details of [ 181258-46-8 ]

CAS No. :	181258-46-8	MDL No. :	MFCD03425263
Formula :	C₁₀H₁₈BrNO₂	Boiling Point :	-
Linear Structure Formula :	-	InChI Key :	OSMADJAEHVCZKN-UHFFFAOYSA-N
M.W :	264.16	Pubchem ID :	14821711
Synonyms :

Calculated chemistry of [ 181258-46-8 ]

Physicochemical Properties

Num. heavy atoms :	14
Num. arom. heavy atoms :	0
Fraction Csp3 :	0.9
Num. rotatable bonds :	4
Num. H-bond acceptors :	2.0
Num. H-bond donors :	0.0
Molar Refractivity :	64.46
TPSA :	29.54 Å²

Pharmacokinetics

GI absorption :	High
BBB permeant :	Yes
P-gp substrate :	No
CYP1A2 inhibitor :	No
CYP2C19 inhibitor :	No
CYP2C9 inhibitor :	No
CYP2D6 inhibitor :	No
CYP3A4 inhibitor :	No
Log Kp (skin permeation) :	-6.19 cm/s

Lipophilicity

Log Po/w (iLOGP) :	3.07
Log Po/w (XLOGP3) :	2.43
Log Po/w (WLOGP) :	2.4
Log Po/w (MLOGP) :	2.15
Log Po/w (SILICOS-IT) :	1.8
Consensus Log Po/w :	2.37

Druglikeness

Lipinski :	0.0
Ghose :	None
Veber :	0.0
Egan :	0.0
Muegge :	0.0
Bioavailability Score :	0.55

Water Solubility

Log S (ESOL) :	-2.74
Solubility :	0.476 mg/ml ; 0.0018 mol/l
Class :	Soluble
Log S (Ali) :	-2.69
Solubility :	0.535 mg/ml ; 0.00203 mol/l
Class :	Soluble
Log S (SILICOS-IT) :	-2.25
Solubility :	1.47 mg/ml ; 0.00557 mol/l
Class :	Soluble

Medicinal Chemistry

PAINS :	0.0 alert
Brenk :	1.0 alert
Leadlikeness :	0.0
Synthetic accessibility :	3.14

Safety of [ 181258-46-8 ]

Signal Word:	Danger	Class:	8
Precautionary Statements:	P280-P305+P351+P338-P310	UN#:	1760
Hazard Statements:	H302-H314	Packing Group:	Ⅲ
GHS Pictogram:

Application In Synthesis of [ 181258-46-8 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

Downstream synthetic route of [ 181258-46-8 ]

[ 181258-46-8 ] Synthesis Path-Downstream 1~6

1
[ 181258-46-8 ]
[ 174019-68-2 ]
tert-butyl 2-[2-amino-3-(aminocarbonyl)-9H-pyrido[2,3-b]indol-9-yl]methyl}pyrrolidine-1-carboxylate [ No CAS ]

Yield	Reaction Conditions	Operation in experiment
20%		To a solution of 2-amino-9H-pyrido[2,3-b]indole-3-carboxamide (5, 50 mg, 0.2 mmol) in N,N-dimethylformamide (0.5 mL) was added powdered sodium hydroxide (12 mg, 0.31 mmol) and tetrabutylammonium hydrogen sulfate (3 mg, 0.009 mmol). The mixture was stirred at room temperature for 30 min then <strong>[181258-46-8]tert-butyl 2-(bromomethyl)pyrrolidine-1-carboxylate</strong> (67 mg, 0.25 mmol) was added. The resulting mixture was stirred at room temperature for 4 days. Water (5 ml) was added to the mixture, followed by HCl (3% aqueous, 1 mL). The mixture was extracted with ethyl acetate (3*30 ml). The extracts were combined, dried over sodium sulfate, filtered and concentrated under reduced pressure. The crude product was purified by silica gel chromatography (12 g silica, methylene chloride to 90/10 methylene chloride/methanol gradient) to yield tert-butyl 2-[2-amino-3-(aminocarbonyl)-9H-pyrido[2,3-b]indol-9-yl]methyl}pyrrolidine-1-carboxylate (xvi-e, 20 mg, 20%). NH4OAc QC conditions. M+1=410.

Reference： [1]Patent: US2007/207997,2007,A1 .Location in patent: Page/Page column 48-49

2
[ 181258-46-8 ]
[ 3171-45-7 ]
[ 1262316-97-1 ]

Yield	Reaction Conditions	Operation in experiment
	at 90℃; for 1.5h;Neat (no solvent);	Example 35; 10-(alpha-Benzylpyrrolidin-2-vnmethvn-7.8-dimethylbenzofglpteridine-2.4(3H.10H)- dione; Scheme 7; Step 1 Preparation of tert-butyl 2-(((2-amino-4,5- dimethylphenvDamino^methvDpyrrolidine-1-earboxylate; [0145] tert-Butyl 2-(((2-amino-4,5-dimethylphenyl)amino)methyl)pyrrolidine- 1 - carboxylate is synthesized by preparing a neat mixture of tert-butyl 2- (bromomethyl)pyrrolidine-1-carboxylate (475 mg, 1.8 mmol) and 4,5-dimethylbenzene- 1,2-diamine (272 mg, 2.0 mmol), and heating the resulting paste to 90 C for 1.5 h. The resulting liquid is cooled to room temperature and taken onto the next step without further purification. LC-MS m/z 319.9 [M+H], retention time 3.57 min.

Reference： [1]Patent: WO2011/8247,2011,A1 .Location in patent: Page/Page column 265-266

3
[ 181258-46-8 ]
[ 1262316-98-2 ]

Reference： [1]Patent: WO2011/8247,2011,A1

4
[ 181258-46-8 ]
[ 1262317-00-9 ]

Reference： [1]Patent: WO2011/8247,2011,A1

5
[ 181258-46-8 ]
[ 1262314-88-4 ]

Reference： [1]Patent: WO2011/8247,2011,A1

6
[ 181258-46-8 ]
[ 1394162-31-2 ]
[ 1394162-56-1 ]

Yield	Reaction Conditions	Operation in experiment
	With tetrabutylammomium bromide; potassium carbonate; In N,N-dimethyl-formamide; at 80 - 90℃; for 8h;	rac-A -(1 -(Pyrrolidin-2-ylmethyl)-1 H-pyrazol-4-yl)-5-(m-tolyl)oxazole-4-carboxamide Step 1 : To /V-(1 H-pyrazol-4-yl)-5-(m-tolyl)oxazole-4-carboxamide (150 mg, 0.56 mmol) in DMF (1 .5 mL), ferf-butyl 2-(bromomethyl)pyrrolidine-1 -carboxylate (148 mg, 0.56 mmol) was added and K2C03 (309 mg, 2.24 mmol) followed by tetrabutylammoniumbromide (18 mg, 0.056 mmol). The reaction mixture was heated to 80 C for 2 h, then ferf-butyl 2- (bromomethyl)pyrrolidine-l-carboxylate (1 eq.) followed by heating to 90 C for 6 h. The reaction mixture was diluted with EtOAc, washed with sat. aq. NaHC03-solution (1x) and brine (1x). The aq. layers were reextracted with EtOAc (1 x). The combined organic layers were dried (MgS04), filtered and the solvent was removed under reduced pressure. Purification by FC (EtOAc/ hex 9:1 , Rf= 0.45) yielded rac-ferf-butyl 2-((4-(5-(m-tolyl)oxazole- 4-carboxamido)-1 /-/-pyrazol-1 -yl)methyl)pyrrolidine-1 -carboxylate as a yellow foam. LC-MS conditions A: tR = 0.94 min, [M+H]+= 452.23.

Reference： [1]Patent: WO2012/110986,2012,A1 .Location in patent: Page/Page column 60

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Ghs Precautionary Statements

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P102	Keep out of reach of children.
P103	Read label before use
Prevention
Code	Phrase
P201	Obtain special instructions before use.
P202	Do not handle until all safety precautions have been read and understood.
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P211	Do not spray on an open flame or other ignition source.
P220	Keep/Store away from clothing/combustible materials.
P221	Take any precaution to avoid mixing with combustibles
P222	Do not allow contact with air.
P223	Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P230	Keep wetted
P231	Handle under inert gas.
P232	Protect from moisture.
P233	Keep container tightly closed.
P234	Keep only in original container.
P235	Keep cool
P240	Ground/bond container and receiving equipment.
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P242	Use only non-sparking tools.
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P251	Pressurized container: Do not pierce or burn, even after use.
P260	Do not breathe dust/fume/gas/mist/vapours/spray.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P262	Do not get in eyes, on skin, or on clothing.
P263	Avoid contact during pregnancy/while nursing.
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P270	Do not eat, drink or smoke when using this product.
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P285	In case of inadequate ventilation wear respiratory protection.
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P235 + P410	Keep cool. Protect from sunlight.
Response
Code	Phrase
P301	IF SWALLOWED:
P304	IF INHALED:
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P306	IF ON CLOTHING:
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P321
P322
P330	Rinse mouth.
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P342	If experiencing respiratory symptoms:
P350	Gently wash with plenty of soap and water.
P351	Rinse cautiously with water for several minutes.
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P353	Rinse skin with water/shower.
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P376	Stop leak if safe to do so. Oxidising gases (section 2.4) 1
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P378
P380	Evacuate area.
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P390	Absorb spillage to prevent material damage.
P391	Collect spillage. Hazardous to the aquatic environment
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P301 + P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P301 + P330 + P331	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P334	IF ON SKIN: Immerse in cool water/wrap in wet bandages.
P302 + P350	IF ON SKIN: Gently wash with plenty of soap and water.
P303 + P361 + P353	IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304 + P312	IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
P304 + P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P304 + P341	IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P306 + P360	IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes.
P307 + P311	IF exposed: call a POISON CENTER or doctor/physician.
P308 + P313	IF exposed or concerned: Get medical advice/attention.
P309 + P311	IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician.
P332 + P313	IF SKIN irritation occurs: Get medical advice/attention.
P333 + P313	IF SKIN irritation or rash occurs: Get medical advice/attention.
P335 + P334	Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.
P337 + P313	IF eye irritation persists: Get medical advice/attention.
P342 + P311	IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P370 + P376	In case of fire: Stop leak if safe to Do so.
P370 + P378	In case of fire:
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Physical hazards
Code	Phrase
H200	Unstable explosive
H201	Explosive; mass explosion hazard
H202	Explosive; severe projection hazard
H203	Explosive; fire, blast or projection hazard
H204	Fire or projection hazard
H205	May mass explode in fire
H220	Extremely flammable gas
H221	Flammable gas
H222	Extremely flammable aerosol
H223	Flammable aerosol
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H225	Highly flammable liquid and vapour
H226	Flammable liquid and vapour
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H229	Pressurized container: may burst if heated
H230	May react explosively even in the absence of air
H231	May react explosively even in the absence of air at elevated pressure and/or temperature
H240	Heating may cause an explosion
H241	Heating may cause a fire or explosion
H242	Heating may cause a fire
H250	Catches fire spontaneously if exposed to air
H251	Self-heating; may catch fire
H252	Self-heating in large quantities; may catch fire
H260	In contact with water releases flammable gases which may ignite spontaneously
H261	In contact with water releases flammable gas
H270	May cause or intensify fire; oxidizer
H271	May cause fire or explosion; strong oxidizer
H272	May intensify fire; oxidizer
H280	Contains gas under pressure; may explode if heated
H281	Contains refrigerated gas; may cause cryogenic burns or injury
H290	May be corrosive to metals
Health hazards
Code	Phrase
H300	Fatal if swallowed
H301	Toxic if swallowed
H302	Harmful if swallowed
H303	May be harmful if swallowed
H304	May be fatal if swallowed and enters airways
H305	May be harmful if swallowed and enters airways
H310	Fatal in contact with skin
H311	Toxic in contact with skin
H312	Harmful in contact with skin
H313	May be harmful in contact with skin
H314	Causes severe skin burns and eye damage
H315	Causes skin irritation
H316	Causes mild skin irritation
H317	May cause an allergic skin reaction
H318	Causes serious eye damage
H319	Causes serious eye irritation
H320	Causes eye irritation
H330	Fatal if inhaled
H331	Toxic if inhaled
H332	Harmful if inhaled
H333	May be harmful if inhaled
H334	May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335	May cause respiratory irritation
H336	May cause drowsiness or dizziness
H340	May cause genetic defects
H341	Suspected of causing genetic defects
H350	May cause cancer
H351	Suspected of causing cancer
H360	May damage fertility or the unborn child
H361	Suspected of damaging fertility or the unborn child
H361d	Suspected of damaging the unborn child
H362	May cause harm to breast-fed children
H370	Causes damage to organs
H371	May cause damage to organs
H372	Causes damage to organs through prolonged or repeated exposure
H373	May cause damage to organs through prolonged or repeated exposure
Environmental hazards
Code	Phrase
H400	Very toxic to aquatic life
H401	Toxic to aquatic life
H402	Harmful to aquatic life
H410	Very toxic to aquatic life with long-lasting effects
H411	Toxic to aquatic life with long-lasting effects
H412	Harmful to aquatic life with long-lasting effects
H413	May cause long-lasting harmful effects to aquatic life
H420	Harms public health and the environment by destroying ozone in the upper atmosphere

[ CAS No. 181258-46-8 ]

Quality Control of [ 181258-46-8 ]

Related Doc. of [ 181258-46-8 ]

Product Details of [ 181258-46-8 ]

Calculated chemistry of [ 181258-46-8 ]

Physicochemical Properties

Pharmacokinetics

Lipophilicity

Druglikeness

Water Solubility

Medicinal Chemistry

Safety of [ 181258-46-8 ]

Application In Synthesis of [ 181258-46-8 ]

[ 181258-46-8 ] Synthesis Path-Downstream 1~6

Related Functional Groups of [ 181258-46-8 ]

Bromides

Amides

Related Parent Nucleus of [ 181258-46-8 ]

Aliphatic Heterocycles

Pyrrolidines

Precautionary Statements-General

Prevention

Response

Storage

Disposal

Physical hazards

Health hazards

Environmental hazards

Inquiry

Related Functional Groups of
[ 181258-46-8 ]

Related Parent Nucleus of
[ 181258-46-8 ]