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1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester

CAS No.
287193-00-4
Chemical Name:
1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester
Synonyms
tert-butyl 3-ethynylpyrrolidine-1-carboxylate;1-Boc-3-ethynylpyrrolidine;1-Boc-3-ethynylpyrrolidin...;acid, 3-ethynyl-, 1,1-dimethylethyl ester;tert-Butyl 3-ethynyl-1-pyrrolidinecarboxylate;1,1-Dimethylethyl 3-ethynyl-1-pyrrolidinecarboxylate;1-Pyrrolidinecarboxylic acid, 3-ethynyl-,1,1-dimethyl ester;3-ethynyl-1-Pyrrolidinecarboxylic acid 1,1-dimethylethyl ester;1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester;1-Pyrrolidinecarboxylic acid, 3-ethynyl-,1,1-dimethyl ester - [P7677]
CBNumber:
CB32473670
Molecular Formula:
C11H17NO2
Molecular Weight:
195.26
MDL Number:
MFCD10698160
MOL File:
287193-00-4.mol
MSDS File:
SDS
Last updated:2026-08-06 18:30:54

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester Properties

Boiling point 249.2±29.0 °C(Predicted)
Density 1.04±0.1 g/cm3(Predicted)
storage temp. 2-8°C
form solid
pka -2.53±0.40(Predicted)
Appearance White to off-white Solid
optical activity 0.9898°(C=0.1566g/100ml MEOH)
InChI 1S/C11H17NO2/c1-5-9-6-7-12(8-9)10(13)14-11(2,3)4/h1,9H,6-8H2,2-4H3
InChIKey KTDGOUSDBBFBRO-UHFFFAOYSA-N
SMILES CC(C)(OC(N1CCC(C#C)C1)=O)C
UNSPSC Code 12352200
NACRES NA.21

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H335-H315-H319-H302
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester price More Price(41)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Matrix Scientific 112402 1-Boc-3-ethynylpyrrolidine 287193-00-4 250.00mg $59 2026-05-18 Buy
Matrix Scientific 112402 1-Boc-3-ethynylpyrrolidine 287193-00-4 1.00g $90 2026-05-18 Buy
Matrix Scientific 112402 1-Boc-3-ethynylpyrrolidine 287193-00-4 5.00g $139 2026-05-18 Buy
Synthonix P7677 1-Pyrrolidinecarboxylic acid, 3-ethynyl-,1,1-dimethyl ester 97.0% 287193-00-4 250mg $61 2026-05-06 Buy
Synthonix P7677 1-Pyrrolidinecarboxylic acid, 3-ethynyl-,1,1-dimethyl ester 97.0% 287193-00-4 1g $100 2026-05-06 Buy
Product number Packaging Price Buy
112402 250.00mg $59 Buy
112402 1.00g $90 Buy
112402 5.00g $139 Buy
P7677 250mg $61 Buy
P7677 1g $100 Buy

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester Chemical Properties, Uses, Production

Application

tert-butyl 3-ethynylpyrrolidine-1-carboxylate is a useful research chemical.

Synthesis

Dimethyl (1-Diazo-2-oxopropyl)phosphonate

90965-06-3

1-Boc-3-pyrrolidinecarbaldehyde

59379-02-1

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester

287193-00-4

GENERAL STEPS: 1-Boc-3-pyrrolidinecarboxaldehyde (580 mg, 2.91 mmol) was dissolved in methanol (15 mL) at room temperature, and potassium carbonate (1.00 g, 7.28 mmol) and dimethyl (1-diazido-2-oxopropyl)phosphonate (839 mg, 4.37 mmol) were added sequentially. The reaction mixture was stirred at room temperature for 3 h. After completion of the reaction, it was filtered through a short diatomaceous earth pad and the filtrate was concentrated under reduced pressure. The resulting crude product was purified by silica gel column chromatography with an eluent gradient of 0 to 50% ethyl acetate/hexane to give a colorless oily product. The product was allowed to stand in a refrigerator and cured to give 1-Boc-3-ynylpyrrolidine white solid (374 mg, 66% yield).

References

[1] Journal of Medicinal Chemistry, 2018, vol. 61, # 18, p. 8417 - 8443
[2] Patent: US2016/9720, 2016, A1. Location in patent: Paragraph 0250
[3] Patent: US2016/9711, 2016, A1. Location in patent: Paragraph 0242; 0243; 0244

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester Preparation Products And Raw materials

Global Suppliers ( 83)
Supplier Tel Email Country ProdList Advantage
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Shanghai AmasPharm Co., Ltd. 021-54540637 18621091017 sales@amaspharm.com China 787 62
ZhengZhou HuaWen Chemical Co.Ltd 0370-2785118 17550508557 675141927@qq.com China 3201 55
Shanghai Jian Chao Chemical Technology Co., Ltd. 150-2103-5486 18017383231 983544897@qq.com China 9335 55
Chengdu AstaTech Trading Co., Ltd./AstaTech (Chengdu) Pharma. Co., Ltd. +86-28-85122536 85324413 market@astatech.cn China 8016 55
Shanghai XIYU Chemical Technology Co.,Ltd. 021-15000143735 15221126179 sala@xiyuchem.com China 375 55
Shanghai Hong-chuang Pharma Tech Co., Ltd. 18151128828 hc-sales@foxmail.com China 2635 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Shanghai Tombiopharma Chemical Co. Ltd. 13391076197 tombiopharma@163.com China 4986 55

View Latest Price from 1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester pictures 2026-08-07 1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester
287193-00-4
1KG 98% 1000kg Shaanxi Dideu New Materials Co. Ltd
1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester pictures 2025-04-04 1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester
287193-00-4
1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester pictures 2020-01-15 1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester
287193-00-4
$9.80 1g ≥99% 100kg Career Henan Chemical Co

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester Spectrum

1-Pyrrolidinecarboxylic acid, 3-ethynyl-, 1,1-dimethylethyl ester 1-Boc-3-ethynylpyrrolidine 1-Boc-3-ethynylpyrrolidin... tert-Butyl 3-ethynyl-1-pyrrolidinecarboxylate 3-ethynyl-1-Pyrrolidinecarboxylic acid 1,1-dimethylethyl ester 1-Pyrrolidinecarboxylic acid, 3-ethynyl-,1,1-dimethyl ester 1,1-Dimethylethyl 3-ethynyl-1-pyrrolidinecarboxylate acid, 3-ethynyl-, 1,1-dimethylethyl ester 1-Pyrrolidinecarboxylic acid, 3-ethynyl-,1,1-dimethyl ester - [P7677] tert-butyl 3-ethynylpyrrolidine-1-carboxylate 287193-00-4 boc