tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Product Name
- tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- CAS No.
- 230301-73-2
- Chemical Name
- tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Synonyms
- 5-Boc-4,5,6,7-tetrahydrothieno[3,2-c]pyridine;tert-Butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H);tert-butyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-5-carboxylate;tert-butyl 6,7-dihydrothieno[3,2-c]pyridin-5(4H)-carboxylate;tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate;tert-butyl 6,7-dihydro-4H-thieno[3,2-c]pyridine-5-carboxylate;1,1-Dimethylethyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate;6,7-dihydro-4H-thieno[3,2-c]-pyridine-5-carboxylic acid tert-butyl ester;Thieno[3,2-c]pyridine-5(4H)-carboxylic acid, 6,7-dihydro-, 1,1-diMethylethyl ester
- CBNumber
- CB91856209
- Molecular Formula
- C12H17NO2S
- Formula Weight
- 239.33
- MOL File
- 230301-73-2.mol
tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate Property
- Boiling point:
- 339.1±42.0 °C(Predicted)
- Density
- 1.173
- storage temp.
- 2-8°C(protect from light)
- pka
- -1.51±0.20(Predicted)
- Appearance
- White to off-white Solid
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- B699833
- Product name
- tert-Butyl6,7-Dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Packaging
- 50mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- B699833
- Product name
- tert-Butyl6,7-Dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Packaging
- 100mg
- Price
- $60
- Updated
- 2021/12/16
- Product number
- FB144251
- Product name
- tert-Butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Packaging
- 500mg
- Price
- $95
- Updated
- 2021/12/16
- Product number
- FB144251
- Product name
- tert-Butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Packaging
- 1g
- Price
- $162
- Updated
- 2021/12/16
- Product number
- FB144251
- Product name
- tert-Butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate
- Packaging
- 250mg
- Price
- $52.5
- Updated
- 2021/12/16
tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate Chemical Properties,Usage,Production
Synthesis
24424-99-5
28783-41-7
230301-73-2
The general procedure for the synthesis of tert-butyl 6,7-dihydrothieno[3,2-C]pyridine-5(4H)-carboxylate from 4,5,6,7-tetrahydrothieno[3,2-c]pyridine hydrochloride (5 g, 28.46 mmol) and di-tert-butyl dicarbonate (6.83 g, 31.30 mmol) is as follows: 4,5,6,7-tetrahydrothieno[3,2-c] pyridine hydrochloride was suspended in 150 mL of dichloromethane, triethylamine (3.17 g, 31.30 mmol) was added followed by slow addition of solid di-tert-butyl dicarbonate. The reaction mixture was stirred at room temperature for 2 hours. After completion of the reaction, the organic phase was washed sequentially with water (2 x 100 mL) and brine (2 x 100 mL), dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated under reduced pressure to give a colorless oily product (6.8 g, 100% yield), which solidified to a white solid on standing.
References
[1] Patent: WO2009/49028, 2009, A1. Location in patent: Page/Page column 156
[2] Patent: CN104497008, 2016, B. Location in patent: Paragraph 0190; 0192; 0193
[3] Journal of Medicinal Chemistry, 2014, vol. 57, # 9, p. 3687 - 3706
[4] Patent: CN104341433, 2017, B. Location in patent: Paragraph 0036; 0037
tert-butyl 6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate Preparation Products And Raw materials
Raw materials
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