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762-42-5 - Dimethyl acetylenedicarboxylate, 98% - Acetylenedicarboxylic acid dimethyl ester - Butynedioic acid dimethyl ester - A11437 - Alfa Aesar

A11437 Dimethyl acetylenedicarboxylate, 98%

CAS 번호
762-42-5
동의어
Acetylenedicarboxylic acid dimethyl ester
Butynedioic acid dimethyl ester

사이즈 가격 ($) 수량 재고 여부
25g 70.20
100g 232.00
500g 964.00
장바구니에 추가 대량 견적에 추가 항목 보기

Dimethyl acetylenedicarboxylate, 98%

MDL
MFCD00008456
EINECS
212-098-4

화학적 특성

화학식
C6H6O4
화학 식량
142.11
융점
-18°
비등점
95-98°/19mm
인화점
86°(186°F)
밀도
1.156
굴절률
1.4480
감도
Light Sensitive
용해도
It is insoluble in water but soluble in ethanol, ethyl ether, CCl4, miscible with organic solvents.

용도

It acts as an inhibitor of oxidative phosphorylation. It is also used in Pharmaceutical and electronic industry. It is used in organic synthesis. It also acts as an intermediate in chemical research. It is also used in Diels-Alder Reaction.

참고

Stable under normal conditions. Incompatabile to strong oxidizing agents, strong acids, strong bases, Strong reducing agents. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

참조 문헌

Peter M. Blonsky.; D. F.Shriver.; Paul Austin.;  H. R. Allcock. Polyphosphazene solid electrolytes. J. Am. Chem. Soc.1984106, (22), 6854-6855.

Barry M. Trost.; Gerald J. Tanoury. An unusual mechanism of a palladium-catalyzed intramolecular carbametalation. A novel palladium-catalyzed rearrangement. J. Am. Chem. Soc.1988110, (5), 1636-1638.

Dienophile in Diels-Alder and related reactions. For addition to a bis-allene, followed by dimerization to a paracyclophane, see: Org. Synth. Coll., 7, 485 (1990).

For use in the masking of double bonds for subsequent release by cycloreversion, see: J. Org. Chem., 44, 962 (1979). Review of cycloreversion reactions in organic synthesis: Synthesis, 121 (1985).

Used in synthesis of a wide variety of heterocyclic systems including benzo[b]thiophenes from thiophenols: Acta Chem. Scand., 27, 595 (1973), and chromones from phenols: Austral. J. Chem., 48, 677 (1995):

Stabilized anions derived from cyclic ß-keto phosphonates undergo ring expansion, via a tandem Michael-Aldol-fragmentation mechanism, to give phosphonates with an additional two carbons in the ring, thus providing a route to highly functionalized medium ring compounds: J. Org. Chem., 60, 3084 (1995):

Reacts with activated carbonyl compounds, such as ɑ-keto esters or ɑ-keto nitriles, in the presence of triphenylphosphine, to give highly functionalized -butyrolactones: J. Org. Chem., 61, 4516 (1996). For a further example with reaction scheme, see 2,2,2-Trifluoroacetophenone, A11403.

GHS 해저드 및 주의 설명서

해저드 설명서 (EU): H227-H302-H314-H318

Combustible liquid. Harmful if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage.

주의 설명서: P210u-P260u-P303+P361+P353-P305+P351+P338-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dusts or mists. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 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

바일슈타인
607063
위험 등급
8
포장 그룹
II
통합 관세 코드
2917.19
TSCA(독성물질규제법)"
Yes
RTECS(화학물질 독성 등록)
ES0175000

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