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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality N-Methyl-L-Prolinol supplier in China

Cas:34381-71-0

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

MN-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

34381-71-0 N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 34381-71-0 with best quality

Cas:34381-71-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

N-Methyl-L-prolinol 34381-71-0

Cas:34381-71-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe,

(1-Methylpyrrolidin-2-yl)methanol cas 34381-71-0 (S)-(-)-1-Methyl-2-pyrrolidinemethanol

Cas:34381-71-0

Min.Order:1 Kilogram

FOB Price: $500.0 / 600.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

N-methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

(S)-(-)-1-Methyl-2-pyrrolidinemethanol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

Top purity N-methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Product Name:N-Methyl-L-prolinol CAS No:34381-71-0

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: N-Methyl-L-prolinol Synonyms: (2S)-1-Methyl-2-pyrrolidinemethanol;(2S)-1-Methyl-2α-(hydroxymethyl)pyrrolidine;(2S)-1-Methyl-2α-pyrrolidinemethanol;(2S)-1-Methylpyrrolidine-2α-methanol;(S)-(+)-1-methyl-prolinol;(

(S)-(-)-1-Methyl-2-pyrrolidinemethanol 34381-71-0 C6H13NO

Cas:34381-71-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

N-Methyl-L-prolinol cas no. 34381-71-0 98%

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

(S)-(-)-2-Hydroxymethyl-1-methylpyrrolidine

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

N-methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

(S)-(-)-1-Methyl-2-pyrrolidineMethanol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:It is an impo

34381-71-0 supplier in China

Cas:34381-71-0

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

N-Methyl-L-Prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

(S)-(-)-1-Methyl-2-pyrrolidinemethanol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Other

inquiry

Antimex Chemical Limied

hight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents

N-Methyl-L-prolinol

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by courier/air/sea Port:Any port of China

N-Methyl-L-prolinol 34381-71-0 CAS NO.: 34381-71-0

Cas:34381-71-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

(S)-N-(tert-butoxycarbonyl)proline methyl ester
59936-29-7

(S)-N-(tert-butoxycarbonyl)proline methyl ester

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether90%
formaldehyd
50-00-0

formaldehyd

(S)-1-Pyrrolidin-2-yl-methanol
23356-96-9

(S)-1-Pyrrolidin-2-yl-methanol

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With formic acid In water for 20h; Heating;65%
With formic acid; water anschliessenden Erhitzen;
With hydrogen; platinum(IV) oxide In water for 24h;2.4 g
With formic acid
With formic acid Yield given;
(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran for 4h; Heating;65%
L-proline
147-85-3

L-proline

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With aq. sodium hydroxide; acetic anhydride In tetrahydrofuran; formic acid; water57%
Multi-step reaction with 2 steps
1: NaBH4, H2SO4
2: HCOOH
View Scheme
Multi-step reaction with 2 steps
1: NaBH4, conc. H2SO4
2: HCOOH
View Scheme
Multi-step reaction with 2 steps
1: acetic anhydride / 2 h / Ambient temperature
2: LiAlH4 / tetrahydrofuran / 48 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: 94 percent / H2O
2: 95 percent / diethyl ether
3: 90 percent / 3 eq. LiAlH4 / diethyl ether
View Scheme
N-Methyl-L-proline Methyl Ester
27957-91-1

N-Methyl-L-proline Methyl Ester

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
53%
With lithium aluminium tetrahydride In tetrahydrofuran
N-Benzyloxycarbonyl-L-proline
1148-11-4

N-Benzyloxycarbonyl-L-proline

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran 1.) room temp., 1 h, 2.) reflux, 3 h;49%
formic acid
64-18-6

formic acid

L-proline
147-85-3

L-proline

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
Stage #1: formic acid; L-proline With acetic anhydride
Stage #2: With lithium aluminium tetrahydride
48%
(2S)-1-formylpyrrolidine-2-carboxylic acid
13200-83-4

(2S)-1-formylpyrrolidine-2-carboxylic acid

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran for 48h; Heating; Yield given;
N-carbobenzyloxy-L-proline methyl ester
5211-23-4

N-carbobenzyloxy-L-proline methyl ester

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride
N-methylproline
68078-09-1

N-methylproline

A

(R)-N-methylpyrrolidine-2-methanol
3554-65-2, 30727-24-3, 34381-71-0, 99494-01-6

(R)-N-methylpyrrolidine-2-methanol

B

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran Heating; Title compound not separated from byproducts;
<(S)-1-formyl-pyrrolidin-2-yl>-methanol

<(S)-1-formyl-pyrrolidin-2-yl>-methanol

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride; diethyl ether
With lithium aluminium tetrahydride; diethyl ether
(S)-(-)-1-Formyl-2-(hydroxymethyl)pyrrolidine
55456-46-7

(S)-(-)-1-Formyl-2-(hydroxymethyl)pyrrolidine

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran
methyl (2S)-pyrrolidine carboxylate
2577-48-2

methyl (2S)-pyrrolidine carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium cyanoborohydride
2: LiAlH4 / tetrahydrofuran
View Scheme
(S)-1-Pyrrolidin-2-yl-methanol
23356-96-9

(S)-1-Pyrrolidin-2-yl-methanol

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: benzene
2: LiAlH4 / tetrahydrofuran
View Scheme
N-Methyl-2-(tributylstannyl)pyrrolidine

N-Methyl-2-(tributylstannyl)pyrrolidine

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) TMEDA, BuLi / 1.) THF, hexane, -78 deg C, 15 min, 2.) -78 deg C, 1 h
2: LiAlH4 / tetrahydrofuran / Heating
View Scheme
1-(tert-butoxycarbonyl)-L-proline
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95 percent / diethyl ether
2: 90 percent / 3 eq. LiAlH4 / diethyl ether
View Scheme
(2S)-2-(methoxycarbonyl)-1-methylpyrrolidin-1-ium chloride
27871-48-3

(2S)-2-(methoxycarbonyl)-1-methylpyrrolidin-1-ium chloride

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether at 0 - 20℃; for 3h; Inert atmosphere;1.2 g
2-fluoro-5-trifluoromethyl-benzonitrile
4088-84-0

2-fluoro-5-trifluoromethyl-benzonitrile

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(S)-2-((1-methylpyrrolidin-2-yl)methoxy)-5-(trifluoromethyl)benzonitrile
1215230-56-0

(S)-2-((1-methylpyrrolidin-2-yl)methoxy)-5-(trifluoromethyl)benzonitrile

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 20℃; for 3h;100%
With sodium hydride In tetrahydrofuran at 20℃; for 3h;100%
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In tetrahydrofuran at 22℃; for 0.333333h;
Stage #2: 2-fluoro-5-trifluoromethyl-benzonitrile In tetrahydrofuran at 22℃; for 3h;
(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol
214360-76-6

3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol

(S)-1-methyl-2-[3-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)phenoxymethyl]pyrrolidine
1449321-17-8

(S)-1-methyl-2-[3-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)phenoxymethyl]pyrrolidine

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; for 36h;100%
tert-butyl 7-(7-bromo-2-chloro-6-(trifluoromethoxy)quinazolin-4-yl)-2,7-diazaspiro[3.5]nonane-2-carboxylate

tert-butyl 7-(7-bromo-2-chloro-6-(trifluoromethoxy)quinazolin-4-yl)-2,7-diazaspiro[3.5]nonane-2-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (S)-7-(7-bromo-2-((1-methylpyrrolidin-2-yl)methoxy)-6-(trifluoromethoxy)quinazolin-4-yl)-2,7-diazaspiro[3.5]nonane-2-carboxylate

tert-butyl (S)-7-(7-bromo-2-((1-methylpyrrolidin-2-yl)methoxy)-6-(trifluoromethoxy)quinazolin-4-yl)-2,7-diazaspiro[3.5]nonane-2-carboxylate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 0℃; for 1h;100%
tert-butyl 4-(2-chloro-6-(naphthalen-1-ylmethyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

tert-butyl 4-(2-chloro-6-(naphthalen-1-ylmethyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (S)-4-(2-((1-methylpyrrolidin-2-yl)methoxy)-6-(naphthalen-1-ylmethyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

tert-butyl (S)-4-(2-((1-methylpyrrolidin-2-yl)methoxy)-6-(naphthalen-1-ylmethyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In tetrahydrofuran at 20℃; for 0.5h;
Stage #2: tert-butyl 4-(2-chloro-6-(naphthalen-1-ylmethyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate In tetrahydrofuran at 60℃; for 3h;
99%
benzyl (S)-4-(2-chloro-6-(2,3-dimethylbenzyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate

benzyl (S)-4-(2-chloro-6-(2,3-dimethylbenzyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)-2-(cyanomethyl)piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

benzyl (S)-2-(cyanomethyl)-4-(6-(2,3-dimethylbenzyl)-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

benzyl (S)-2-(cyanomethyl)-4-(6-(2,3-dimethylbenzyl)-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; ruphos In toluene at 105℃; for 16h;99%
2-hydroxynitrobenzene
88-75-5

2-hydroxynitrobenzene

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

2-[(1-methyl-2(S)-pyrrolidinyl)methoxy]nitrobenzene

2-[(1-methyl-2(S)-pyrrolidinyl)methoxy]nitrobenzene

Conditions
ConditionsYield
Stage #1: 2-hydroxynitrobenzene With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 0.166667h;
Stage #2: (S)-2-hydroxymethyl-1-methylpyrrolidine for 24h; Mitsunobu reaction;
98%
3-Bromophenyl isocyanate
23138-55-8

3-Bromophenyl isocyanate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(3-bromophenyl)carbamic acid (S)-1-methylpyrrolidin-2-ylmethyl ester

(3-bromophenyl)carbamic acid (S)-1-methylpyrrolidin-2-ylmethyl ester

Conditions
ConditionsYield
In toluene at 50 - 120℃; for 4h;97%
2-chloropyrazin
14508-49-7

2-chloropyrazin

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

2-((1-methyl-2-(S)-pyrrolidinyl)methoxy)pyrazine

2-((1-methyl-2-(S)-pyrrolidinyl)methoxy)pyrazine

Conditions
ConditionsYield
With NaH In tetrahydrofuran; mineral oil97%
With hydrogenchloride; potassium tert-butylate In tetrahydrofuran; water
With hydrogenchloride; potassium tert-butylate In tetrahydrofuran; water
With hydrogenchloride; potassium tert-butylate In tetrahydrofuran; water
(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

3-Phenylpropionic acid
501-52-0

3-Phenylpropionic acid

3-Phenyl-propionic acid (S)-1-methyl-pyrrolidin-2-ylmethyl ester

3-Phenyl-propionic acid (S)-1-methyl-pyrrolidin-2-ylmethyl ester

Conditions
ConditionsYield
With N,N'-dimethylaminopyridine; di-tert-butyl dicarbonate In nitromethane at 50℃; for 16h;95%
tert-butyl 4-[6-chloro-8-{[5-chloro-6-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-4-yl]oxy}-2-(methylsulfonyl)pyrido[3,4-d]pyrimidin-4-yl]piperazine-1-carboxylate

tert-butyl 4-[6-chloro-8-{[5-chloro-6-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-4-yl]oxy}-2-(methylsulfonyl)pyrido[3,4-d]pyrimidin-4-yl]piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl 4-(6-chloro-8-{[5-chloro-6-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-4-yl]oxy}-2-{[(2S)-1-methylpyrrolidin-2-yl]methoxy}pyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

tert-butyl 4-(6-chloro-8-{[5-chloro-6-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-4-yl]oxy}-2-{[(2S)-1-methylpyrrolidin-2-yl]methoxy}pyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at 0 - 20℃; for 1h;95%
4-(4-bromo-7-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-f]quinazolin-9-yl)piperazine-1-carboxylic acid tert-butyl ester

4-(4-bromo-7-chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-f]quinazolin-9-yl)piperazine-1-carboxylic acid tert-butyl ester

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

C29H40BrN7O4

C29H40BrN7O4

Conditions
ConditionsYield
With caesium carbonate; N-ethyl-N,N-diisopropylamine In 1,4-dioxane at 170℃; for 3h; Inert atmosphere; Sealed tube;95%
toluene
108-88-3

toluene

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

C7H7Li*6C6H12NO(1-)*6Li(1+)

C7H7Li*6C6H12NO(1-)*6Li(1+)

Conditions
ConditionsYield
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With n-butyllithium In pentane at -90 - 20℃;
Stage #2: toluene In pentane at -30℃; for 24h;
94%
4-methyl 1-(4-nitrophenyl) 4-{[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl}piperidine-1,4-dicarboxylate

4-methyl 1-(4-nitrophenyl) 4-{[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl}piperidine-1,4-dicarboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

4-methyl 1-{[(2S)-1-methylpyrrolidin-2-yl]methyl} 4-{[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl}piperidine-1,4-dicarboxylate
869189-88-8

4-methyl 1-{[(2S)-1-methylpyrrolidin-2-yl]methyl} 4-{[(4-phenyl-3,6-dihydropyridin-1(2H)-yl)sulfonyl]methyl}piperidine-1,4-dicarboxylate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran at 0 - 20℃; for 3h;94%
tert-butyl 4-(7-(6-(bis(4-methoxybenzyl)amino)-3-(trifluoromethyl)pyridin-2-yl)-6-chloro-2-fluoroquinazolin-4-yl)piperazine-1-carboxylate

tert-butyl 4-(7-(6-(bis(4-methoxybenzyl)amino)-3-(trifluoromethyl)pyridin-2-yl)-6-chloro-2-fluoroquinazolin-4-yl)piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (S)-4-(7-(6-(bis(4-methoxybenzyl)amino)-3-(trifluoromethyl)pyridin-2-yl)-6-chloro-2-((1-methylpy rrolidin-2-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate

tert-butyl (S)-4-(7-(6-(bis(4-methoxybenzyl)amino)-3-(trifluoromethyl)pyridin-2-yl)-6-chloro-2-((1-methylpy rrolidin-2-yl)methoxy)quinazolin-4-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In tetrahydrofuran; mineral oil at 25℃; for 0.0833333h;
Stage #2: tert-butyl 4-(7-(6-(bis(4-methoxybenzyl)amino)-3-(trifluoromethyl)pyridin-2-yl)-6-chloro-2-fluoroquinazolin-4-yl)piperazine-1-carboxylate In tetrahydrofuran; mineral oil at 25℃; for 1h;
93.4%
(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(S)-(-)-1-methyl-2-chloromethylpyrrolidine hydrochloride
67824-38-8

(S)-(-)-1-methyl-2-chloromethylpyrrolidine hydrochloride

Conditions
ConditionsYield
With thionyl chloride In ethanol 1.) RT, 2 h, 2.) reflux, 30 min;93%
With thionyl chloride In chloroform 1.) room temp., 30 min, 2.) reflux, 30 min;88%
With hydrogenchloride; thionyl chloride In chloroform for 2h; Heating;85%
trimethylamine alane
16842-00-5, 855944-65-9

trimethylamine alane

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

[(-)-(S)-1-methylpyrrolidino-2-methoxy]alane dimer

[(-)-(S)-1-methylpyrrolidino-2-methoxy]alane dimer

Conditions
ConditionsYield
In toluene byproducts: H2, N(CH3)3; under Ar using Schlenk techniques; soln. N-methyl-L-prolinol added dropwise to soln. AlH3*NMe3 (1:1 mol) in toluene with stirring until gas evolution was ceased; stirring 1 h; repeated crystns. at -78°C; elem. anal.;90.4%
(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

2-(2,5-dimethylpyrrolyl)-6-(4-fluoronaphth-1-yl)pyridine
221087-79-2

2-(2,5-dimethylpyrrolyl)-6-(4-fluoronaphth-1-yl)pyridine

2-(2,5-dimethylpyrrolyl)-6-(4-(1-methylpyrrolidin-2-ylmethoxy)naphth-1-yl)pyridine
675846-20-5

2-(2,5-dimethylpyrrolyl)-6-(4-(1-methylpyrrolidin-2-ylmethoxy)naphth-1-yl)pyridine

Conditions
ConditionsYield
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In N,N-dimethyl-formamide at 70℃;
Stage #2: 2-(2,5-dimethylpyrrolyl)-6-(4-fluoronaphth-1-yl)pyridine In N,N-dimethyl-formamide at 80℃; for 2h;
90%
hexadecanyl bromide
112-82-3

hexadecanyl bromide

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

Br(1-)*C22H46NO(1+)
145707-12-6

Br(1-)*C22H46NO(1+)

Conditions
ConditionsYield
In acetone for 72h; Reflux;90%
In acetone at 50℃; for 48h;73%
In 1,4-dioxane for 48h; Reflux;
4-(7-benzyl-2-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylic acid tert-butyl ester

4-(7-benzyl-2-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylic acid tert-butyl ester

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (S)-4-(7-benzyl-2-((1-methylpyrrolidin-2-yl)methoxy)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

tert-butyl (S)-4-(7-benzyl-2-((1-methylpyrrolidin-2-yl)methoxy)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
With palladium diacetate; caesium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl In toluene at 110℃; for 6h; Inert atmosphere;90%
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 1h;
Stage #2: 4-(7-benzyl-2-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylic acid tert-butyl ester In tetrahydrofuran; mineral oil at 70℃; for 11h;
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 1h;
Stage #2: 4-(7-benzyl-2-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylic acid tert-butyl ester In tetrahydrofuran; mineral oil at 0 - 70℃; for 11h;
4-nitro-phenol
100-02-7

4-nitro-phenol

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

4-[(1-methyl-2(S)-pyrrolidinyl)methoxy]nitrobenzene

4-[(1-methyl-2(S)-pyrrolidinyl)methoxy]nitrobenzene

Conditions
ConditionsYield
Stage #1: 4-nitro-phenol With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 0.166667h;
Stage #2: (S)-2-hydroxymethyl-1-methylpyrrolidine for 24h; Mitsunobu reaction;
89%
binaphthol chlorophosphite
137156-22-0, 171878-71-0, 155613-52-8

binaphthol chlorophosphite

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(2'S)-2-[(1'-methyl-pyrrolidinyl-2')-methoxy]dinaphtho[2,1-d:1',2'-f](1,3,2)dioxaphosphepine
479253-14-0

(2'S)-2-[(1'-methyl-pyrrolidinyl-2')-methoxy]dinaphtho[2,1-d:1',2'-f](1,3,2)dioxaphosphepine

Conditions
ConditionsYield
With triethylamine In toluene89%
tert-butyl (2S)-2-(cyanomethyl)-4-((6R)-2-(methylsulfinyl)-3‘,4’,5,7-tetrahydro-1‘Hspiro[cyclopenta[d]pyrimidine-6,2’-naphthalen]-4-yl)piperazine-1-carboxylate

tert-butyl (2S)-2-(cyanomethyl)-4-((6R)-2-(methylsulfinyl)-3‘,4’,5,7-tetrahydro-1‘Hspiro[cyclopenta[d]pyrimidine-6,2’-naphthalen]-4-yl)piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (S)-2-(cyanomethyl)-4-((R)-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-3',4’,5,7-tetrahydro-1‘H-spiro[cyclopenta[d]pyrimidine-6,2’-naphthalen]-4-yl)piperazine-1-carboxylate

tert-butyl (S)-2-(cyanomethyl)-4-((R)-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-3',4’,5,7-tetrahydro-1‘H-spiro[cyclopenta[d]pyrimidine-6,2’-naphthalen]-4-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With potassium tert-butylate In tetrahydrofuran for 0.0833333h;
Stage #2: tert-butyl (2S)-2-(cyanomethyl)-4-((6R)-2-(methylsulfinyl)-3‘,4’,5,7-tetrahydro-1‘Hspiro[cyclopenta[d]pyrimidine-6,2’-naphthalen]-4-yl)piperazine-1-carboxylate In tetrahydrofuran at 0℃; for 0.5h;
88%
4-((S)-4-((benzyloxy)carbonyl)-3-(cyanomethyl)piperazin-1-yl)-2-(methylsulfoxide)-5,6,7,9-tetrahydro-8H-pyrimidine[4,5-c]azepane-8-carboxylic acid tert-butyl ester

4-((S)-4-((benzyloxy)carbonyl)-3-(cyanomethyl)piperazin-1-yl)-2-(methylsulfoxide)-5,6,7,9-tetrahydro-8H-pyrimidine[4,5-c]azepane-8-carboxylic acid tert-butyl ester

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

4-((S)-4-(benzyloxycarbonyl)-3-(cyanomethyl)piperazin-1-yl)-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-6,7-dihydro-5H-pyrimido[4,5-c]azepane-8(9H)-carboxylic acid tert-butyl ester

4-((S)-4-(benzyloxycarbonyl)-3-(cyanomethyl)piperazin-1-yl)-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)-6,7-dihydro-5H-pyrimido[4,5-c]azepane-8(9H)-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
With sodium t-butanolate In toluene for 0.5h; Cooling with ice;88%
tert-butyl (S)-4-(7-bromo-2,6-dichloroquinazolin-4-yl)-3-methylpiperazine-1-carboxylate

tert-butyl (S)-4-(7-bromo-2,6-dichloroquinazolin-4-yl)-3-methylpiperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (S)-4-(7-bromo-6-chloro-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)quinazolin-4-yl)-3-methylpiperazine-1-carboxylate

tert-butyl (S)-4-(7-bromo-6-chloro-2-(((S)-1-methylpyrrolidin-2-yl)methoxy)quinazolin-4-yl)-3-methylpiperazine-1-carboxylate

Conditions
ConditionsYield
Stage #1: (S)-2-hydroxymethyl-1-methylpyrrolidine With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.0833333h;
Stage #2: tert-butyl (S)-4-(7-bromo-2,6-dichloroquinazolin-4-yl)-3-methylpiperazine-1-carboxylate In N,N-dimethyl-formamide at 0℃; for 1h;
85.6%
5-nitroguaiacol
636-93-1

5-nitroguaiacol

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(S)-1-Methyl-2-(2-methoxy-5-nitrophenoxy)-pyrrolidine

(S)-1-Methyl-2-(2-methoxy-5-nitrophenoxy)-pyrrolidine

Conditions
ConditionsYield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran85%
benzyl (2S)-2-(cyanomethyl)-4-(2-methylsulfinyl-5,6-dihydrobenzo[h]quinazolin-4-yl)piperazine-1-carboxylate

benzyl (2S)-2-(cyanomethyl)-4-(2-methylsulfinyl-5,6-dihydrobenzo[h]quinazolin-4-yl)piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

benzyl (2S)-2-(cyanomethyl)-4-[2-[[(2S)-1-methylpyrrolidin-2-yl]methoxy]-5,6-dihydrobenzo[h]quinazolin-4-yl]piperazine-1-carboxylate

benzyl (2S)-2-(cyanomethyl)-4-[2-[[(2S)-1-methylpyrrolidin-2-yl]methoxy]-5,6-dihydrobenzo[h]quinazolin-4-yl]piperazine-1-carboxylate

Conditions
ConditionsYield
With sodium t-butanolate In toluene for 1h; Cooling with ice;85%
7-benzyl-2-chloro-4-methoxy-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine

7-benzyl-2-chloro-4-methoxy-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(S)-7-benzyl-4-methoxy-2-((1-methylpyrrolidin-2-yl)methoxy)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine

(S)-7-benzyl-4-methoxy-2-((1-methylpyrrolidin-2-yl)methoxy)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine

Conditions
ConditionsYield
With palladium diacetate; caesium carbonate; ruphos In toluene at 110℃; for 8h; Inert atmosphere;83%
tert-butyl (2S)-4-(2’-chloro-3,4,5’,8’-tetrahydro-2H,6’H-spiro[naphthalene-1,7’-quinazolin]-4’-yl)-2-(cyanomethyl)piperazine-1-carboxylate

tert-butyl (2S)-4-(2’-chloro-3,4,5’,8’-tetrahydro-2H,6’H-spiro[naphthalene-1,7’-quinazolin]-4’-yl)-2-(cyanomethyl)piperazine-1-carboxylate

(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

tert-butyl (2S)-2-(cyanomethyl)-4-(2’-(((S)-1-methylpyrrolidin-2-yl)methoxy)-3,4,5’,8’-tetrahydro-2H,6’H-spiro[naphthalene-1,7’-quinazolin]-4’-yl)piperazine-1-carboxylate

tert-butyl (2S)-2-(cyanomethyl)-4-(2’-(((S)-1-methylpyrrolidin-2-yl)methoxy)-3,4,5’,8’-tetrahydro-2H,6’H-spiro[naphthalene-1,7’-quinazolin]-4’-yl)piperazine-1-carboxylate

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); [2'-(diphenylphosphanyl)-[1,1'-binaphthalen]-2-yl]diphenylphosphane; sodium t-butanolate In toluene at 110℃; for 2h; Inert atmosphere;83%
(S)-2-hydroxymethyl-1-methylpyrrolidine
34381-71-0

(S)-2-hydroxymethyl-1-methylpyrrolidine

(S)-2-(chloromethyl)-1-methylpyrrolidine
137892-92-3

(S)-2-(chloromethyl)-1-methylpyrrolidine

Conditions
ConditionsYield
With thionyl chloride In dichloromethane82%
With thionyl chloride
With tetrachloromethane; triphenylphosphine In acetonitrile Heating;

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