Eine einfache Synthese von 5H-Benzopyranopyrimidin-Derivaten mit Oxo-, Thioxo- und/oder Imino-Funktionen in 4- und 5-Stellung

DOI: 10.1055/s-1986-31504

Source and publish data:

Synthesis p. 147 - 150 (1986)

Update date:2022-07-29

Topics:

Authors:

Briel, Detlef

Leistner, Siegfried

Wagner, Guenther

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Article abstract of DOI:10.1055/s-1986-31504

The reaction of 4-dicyanomethylene- or 4--2-(2-hydroxyphenyl)-4H-1,3-benzoxazine with ammonium acetate, hydrogen sulfide, or aqueous acid represents a useful method for the preparation of 4,5-(imino, thioxo, or oxo)-disubstituted 2-(2-hydroxyphenyl)-3,4-dihydro-5H-<1>benzopyrano<4,3-d>pyrimidines.

Full text of DOI:10.1055/s-1986-31504

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Article Doi

Eine einfache Synthese von 5H-Benzopyranopyrimidin-Derivaten mit Oxo-, Thioxo- und/oder Imino-Funktionen in 4- und 5-Stellung

DOI: 10.1055/s-1986-31504

Source and publish data:

Authors:

Article abstract of DOI:10.1055/s-1986-31504

Full text of DOI:10.1055/s-1986-31504

Products guided by the article

R&D Labs maybe for 98078-84-3

Relevant to this article

Multidentate Lewis Acids. Reduction of Thioketones in the Presence of Organomercury Trifluoroacetates

AlCl3 as an effective lewis acid for the synthesis of arylaminotetrazoles

Efficient and stereoselective one-pot syntheses of diethyl (Z)- or (E)- 1-alkylidene-3-oxobutylphosphonates

STEREOCONTROLLED SYNTHESIS OF δ-HYDROXY ALLYLIC PHOSPHINE OXIDES BY ALLYLIC ESTER TRANSPOSITION

AlCl₃ as an effective lewis acid for the synthesis of arylaminotetrazoles