Detail of "20577-73-5"

CAS Number:
20577-73-5
Name:
Benzenebutanoic acid, α,γ-dioxo-, methyl ester
Molecular Structure:
Formula:
C₁₁H₁₀O₄
Molecular Weight:
206.19
Synonyms:
Methyl 2,4-dioxo-4-phenylbutanoate;Methyl 4-hydroxy-2-oxo-4-phenyl-but-3-enoate;
Density:
1.205 g/cm³
Melting Point:
59-60 °C
Boiling Point:
335.6 °C at 760 mmHg
Flash Point:
149 °C

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Synthesis of 2-aroylmethylidene-6-hydroxy-2,3-dihydroindol-3-ones: All Rights Reserved. Several substances are used for example 39757-29-4 which is its cas registry number. Synthesis of 2-aroylmethylidene-6-hydroxy-2,3-dihydroindol-3-ones. Gein, V. L.; Demeneva, A. V.; Rassudikhina, N. A.; Vakhrin, M. I. (Perm State Pharmaceutical Academy, Perm 614990, Russia). Russian Journal of Organic Chemistry, 42(4), 617-618 (English) 2006 Pleiades Publishing, Inc. CODEN: RJOCEQ. ISSN: 1070-4280. DOCUMENT TYPE: Journal CA Section: 27 (Heterocyclic Compounds (One Hetero Atom)) Reaction of Me 4-aryl-2,4-dioxobutanoates with 3-aminophenol in boiling AcOH 1-2h gave the title compds. Presumably, the primary condensation product, Me 4-aryl-2-(3-hydroxyanilino)-4-oxo-2-butenoate, underwent intramol. ring closure to the 2,3-dihydroindol-3-one heterocyclic system. .