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HRID1155481

反应详情

EQUATION

反应方程式

HRID 1155481 的结构方程式

REACTANTS

反应物

3
结构：Cc1ccc2c(c1)C(=O)OC2=O
HCID88069

4-Methylphthalic anhydride

C9H6O3

结构：[S]
HCID5362487

Sulfur

S

结构：CC1C=CC2C(=O)OC(=O)C2C1
HCID12726604

5-Methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione

C9H10O3

PRODUCTS

生成物

2
结构：C=CC(=C)C
HCID6557

Isoprene

C5H8

结构：O=C1C=CC(=O)O1
HCID7923

2,5-Furandione

C4H2O3

PROCEDURE

实验过程

4-Methylphthalic anhydride is also able to be prepared by dehydrogenation, with sulfur, of tetrahydro-4-methylphthalic anhydride obtained from the reaction between isoprene and maleic anhydride: ##STR4##