Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

5222-73-1 - 3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98% - Dimethyl squarate - Squaric acid dimethyl ester - A18186 - Alfa Aesar

A18186 3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%

CAS 번호
5222-73-1
동의어
Dimethyl squarate
Squaric acid dimethyl ester

사이즈 가격 ($) 수량 재고 여부
1g 46.20
5g 156.00
장바구니에 추가 대량 견적에 추가 항목 보기

3,4-Dimethoxy-3-cyclobutene-1,2-dione, 98%

MDL
MFCD00101316

화학적 특성

화학식
C6H6O4
화학 식량
142.10
융점
53-56°
용해도
Very soluble in water.

용도

3,4-Dimethoxy-3-cyclobutene-1,2-dione (Dimethyl squarate) finds it uses in the synthesis of chiral squaramides, highly enantioselective catalyst for the Friedel-Crafts reactions of indoles, 3-(hydroxyamino)-4-methoxy-3-cyclobutene-1,2-dione, squarate derivatives of the O-SP-core antigens, methyl squarate derivative of the Ogawa O-SP-core antigen, o-quinodimethanes, benzocyclobutenes, quinones. It is employed as a starting material in the preparation of o-quinodimethanes, benzocyclobutenes, and quinones.

참고

Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

참조 문헌

Yong Qian.; Gaoyuan Ma.; Aifeng Lv.; Hai-Liang Zhu.; Jing Zhao.; Viresh H Rawal. Squaramide-catalyzed enantioselective Friedel-Crafts reaction of indoles with imines.Chem Commun (Camb).2010,46(17), 3004-3006.

M Burak Onaran.; Anthony B Comeau.; Christopher T Seto. Squaric acid-based peptidic inhibitors of matrix metalloprotease-1.J Org Chem.2005,70(26), 10792-10802.

GHS 해저드 및 주의 설명서

해저드 설명서 (EU): H315-H319-H334-H317-H335

Causes skin irritation. Causes serious eye irritation. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. May cause respiratory irritation.

주의 설명서: P284-P261-P280a-P305+P351+P338-P405-P501a

Wear respiratory protection. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

기타 참조

통합 관세 코드
2914.50
TSCA(독성물질규제법)"
No

권장

최근에 본 것

화학물질

화학물질

금속 및 재료

촉매

분석 기기 및 실험실 용품