2,3-Dimethylmaleic anhydride

  • CAS：766-39-2
  • purity：99%
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1.What is the 2,3-Dimethylmaleic anhydride ?

2,3-Dimethylmaleic anhydride can be usually used in the synthesis of maleimides and as an amino group protecting agent for superoxide dismutase. It is also used in the preparation of dimethylmaleic acid dimethyl ester. Further, it serves as a reactant in the dissociation of ribosomal proteins. In addition to this, The isolated molecule 2, 3-dimethylmaleic anhydride showed potent insecticidal activity in fumigation bioassay against several insect species, viz., adults of houseflies, cockroaches and stored-product insects.

4-t-butyl-o-xylene
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4-t-butyl-o-xylene

2,3-Dimethylmaleic anhydride
766-39-2

2,3-Dimethylmaleic anhydride

4-tert-butylphthalic anhydride
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4-tert-butylphthalic anhydride

6-(tert-butyl)isobenzofuran-1(3H)-one
74186-27-9

6-(tert-butyl)isobenzofuran-1(3H)-one

o-xylene
95-47-6

o-xylene

4-tert-butyl-phthalaldehyde

4-tert-butyl-phthalaldehyde

Conditions
Conditions Yield
With oxygen; phosphorus; titanium; oxides of V; aluminium; at 345 ℃; for 0.000119444h; Product distribution; oth. temperature, oth. time, gas phase;
83%
1.8%
3%
N-o-hydroxybenzyl-2,3-dimethylmaleamic acid N-o-hydroxybenzylamine salt
58349-94-3

N-o-hydroxybenzyl-2,3-dimethylmaleamic acid N-o-hydroxybenzylamine salt

2,3-Dimethylmaleic anhydride
766-39-2

2,3-Dimethylmaleic anhydride

2-Hydroxybenzylamine
932-30-9

2-Hydroxybenzylamine

Conditions
Conditions Yield
With potassium acetate; acetic acid; In water; acetonitrile; at 25 ℃; Mechanism; Rate constant; catalytic effect of the phenolic group at acidic condition;

2.What is the CAS number for 2,3-Dimethylmaleic anhydride ?

The CAS number of 2,3-Dimethylmaleic anhydride is 766-39-2.

More information of 2,3-Dimethylmaleic anhydride 766-39-2 are:

CAS?Number

766-39-2

Density

1.236g/cm3

Melting Point

93-96 ºC(lit.)

Boiling Point

223 ºC at 760 mmHg

Flash Point

95.6 ºC

Vapor Pressure

0.0986mmHg at 25°C

Refractive Index

1.5627 (estimate)

HS CODE

2917 19 80

PSA

43.37000

LogP

0.40620

3.What are another words for 2,3-Dimethylmaleic anhydride ?

Synonyms?for?2,3-Dimethylmaleic anhydride 766-39-2:Maleicanhydride, dimethyl- (7CI,8CI);Pyrocinchonic anhydride (6CI);3,4-Dimethyl-2,5-furandione;Dimethylmaleic acid anhydride;Dimethylmaleic anhydride;NSC 92512;3,4-dimethylfuran-2,5-dione;

4.What is the molecular formula of 2,3-Dimethylmaleic anhydride?

The chemical formula of ?2,3-Dimethylmaleic anhydride is?C6H6O3 which containing 6 Carbon atoms,6 Hydrogen atoms and 3 Oxygen atoms,and the molecular weight of??2,3-Dimethylmaleic anhydride?is 126.112.

5.What is 2,3-Dimethylmaleic anhydride (766-39-2) used for?

2,3-Dimethylmaleic anhydride is a butenolide, which is a 5-membered cyclic anhydride with a double bond between carbon atoms C2 and C3. This double bond locks the molecule in a planar conformation and stabilizes the acid anhydride against hydration. It is characterized by its white to beige crystalline appearance.

InChI:InChI=1/C6H6O3/c1-3-4(2)6(8)9-5(3)7/h1-2H3

Relevant articles related to 2,3-Dimethylmaleic anhydride:

Article

Source

A regioselective tsuji-trost pentadienylation of 3-allyltetronic acid

Schobert, Rainer,Barnickel, Bertram

, p. 2778 - 2784 (2009)

-

Fort et al.

, p. 3697,3698, 3700 (1976)

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