tert-Butyl thiophen-2-ylcarbamate
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tert-Butyl thiophen-2-ylcarbamate 속성
- 녹는점
- 151 °C
- 끓는 점
- 238.1±13.0 °C(Predicted)
- 밀도
- 1.186±0.06 g/cm3(Predicted)
- 저장 조건
- 2-8°C(protect from light)
- 물리적 상태
- 고체
- 물리적 상태
- 단단한 모양
- 산도 계수 (pKa)
- 13.63±0.70(Predicted)
- 색상
- 페일 그레이
- InChI
- InChI=1S/C9H13NO2S/c1-9(2,3)12-8(11)10-7-5-4-6-13-7/h4-6H,1-3H3,(H,10,11)
- InChIKey
- QTXXTRMGTVEBIN-UHFFFAOYSA-N
- SMILES
- C(OC(C)(C)C)(=O)NC1SC=CC=1
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
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| 유해·위험 문구: |
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| 예방조치문구: |
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tert-Butyl thiophen-2-ylcarbamate C화학적 특성, 용도, 생산
화학적 성질
White to off-white crystalline powderSynthesis
To a solution of thiophenecarboxylic acid (0.5 g, 3.90 mmol) in tBuOH (10 ml) was added Et3N (0.571 ml, 4.10 mmol) and DPPA (0.883 ml, 4.10 mmol). The solution was heated at 90 °C for 4 hours. The reaction mixture was cooled to RT, and the solvent was removed from the vacuum. The residue was treated with benzene, and the solution was washed with 5 per cent citric acid and NaHCO3. Solid was filtered off, and the filtrate was washed with brine. The organic layer was dried (MgSO4), concentrated in vacuo and the residue was purified by silica gel column chromatography (EtOAc/hexanes) to obtain tert-butyl thiophen-2-ylcarbamate (0.39 g, 50percent yield). 1H NMR (400 MHz, DMSO-d6): δ 10.4 (brs, 1H), 6.84 (dd, J = 1.6, and 5.2 Hz, 1H), 6.75 (dd, J = 4.0, and 5.6 Hz, 1H), 6.48 (dd, J= 1.6, and 4.0 Hz, 2H), 1.45 (s, 9H); MS (ESI) m/z: 222.0 (M+22+H+).tert-Butyl thiophen-2-ylcarbamate 준비 용품 및 원자재
원자재
준비 용품
tert-Butyl thiophen-2-ylcarbamate 공급 업체
글로벌( 137)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Accela ChemBio Inc. | +1-858-6993322 |
info@accelachem.com | United States | 19343 | 58 |
| Frapp's ChemicalNFTZ Co., Ltd. | +86 (576) 8169-6106 |
sales@frappschem.com | China | 885 | 50 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 |
ivan@atkchemical.com | China | 32760 | 60 |
| Alchem Pharmtech,Inc. | 8485655694 |
sales@alchempharmtech.com | United States | 63711 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 |
factory@coreychem.com | China | 29825 | 58 |
| Neostar United (Changzhou) Industrial Co., Ltd. | +86-519-519-85557386 |
marketing1@neostarunited.com | China | 11006 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 |
eric@witopchemical.com | China | 23556 | 58 |
| Dideu Industries Group Limited | +86-29-89586680 +86-15129568250 |
1026@dideu.com | China | 24330 | 58 |
| AFINE CHEMICALS LIMITED | +86-0571-85134551 |
info@afinechem.com | China | 15395 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 |
info@dycnchem.com | China | 52861 | 58 |
tert-Butyl thiophen-2-ylcarbamate 관련 검색:
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SPECS AR-434/42239416