Detail of "723-89-7"

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CAS Number:
723-89-7
Name:
1H-Indole-2,3-dione,1-phenyl-
Superlist Name:
1-Phenylisatin
Molecular Structure:
Formula:
C14H9 N O2
Molecular Weight:
223.23
Synonyms:
Indole-2,3-dione,1-phenyl- (7CI,8CI); Isatin, 1-phenyl- (6CI); 1-Phenyl-2,3-indolinedione;1-Phenylisatin; N-Phenylisatin; NSC 100013
Melting Point:
138-140 °C(lit.)
Hazard Symbols:
Risk Codes:
R23/24/25

Display：

1-PHENYLISATIN 723-89-7

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Supplier:Shanghai Pharmarketech Limited [ China (Mainland)]

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1-Phenylisatin

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Oxindole diamines: Oxindole diamines. Darmory, Franklin P.; DiBenedetto, Marianne (Ciba-Geigy Corp., USA). U.S. US 4016173 5 Apr 1977, 4 pp. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C07D209-38. NCL: 260325000R. APPLICATION: US 71-204301 2 Dec 1971. DOCUMENT TYPE: Patent CA Section: 36 (Plastics Manufacture and Processing) Section cross-reference(s): 27 3,3-Di(p-aminophenyl)-1-phenyloxindole (I) [40835-39-0] was prepd. and polymd. with 3,4,3',4'-benzophenonetetracarboxylic dianhydride (II) to give heat resistant polyimide films. Thus, oxalyl chloride [79-37-8] was reacted with diphenylamine [122-39-4] in the presence of AlCl3 in CH2Cl2 and the intermediate 1-phenylisatin [723-89-7] was treated with sym-diphenylurea [102-07-8] to give I. Polymn. of I and II at 185.degree. for 3 h gave a polymer (III) [62820-45-5] with glass transition temp. 355.degree.. Cast III films aged at 300.degree. for 600 h showed little wt. loss.