Fused Pyrimidines. I. The Chlorination of 2,4 (1H, 3H)-Quinazolinedione with Phosphoryl Chloride in the Presence of N-Alkylcyclic Amines
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概要
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In the reaction of 2,4 (1H, 3H)-quinazolinedione with phosphoryl chloride in the presence of excess N-methylpyrrolidine, the hydroxy groups at the 2- and 4-position of the quinazoline nucleus were replaced by the N-methyl-4-chlorobutylamino group and chlorine to give 4-chloro-2-(N-methyl-4-chlorobutylamino) quinazoline in good yield. By using this reaction, several new 4-chloro-2-dialkylaminoquinazoline derivatives were obtained from N-alkylcyclic amines and 2,4 (1H, 3H)-quinazolinedione.
- 公益社団法人日本薬学会の論文
- 1982-06-25
著者
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三木 秀樹
Research Laboratories, Agricultural Chemicals Division, Takeda Chemical Industries, Ltd.
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三木 秀樹
Research Laboratories Agricultural Chemicals Division Takeda Chemical Industries Ltd.
関連論文
- Fused Pyrimidines. IV. The Reaction of 4-Alkylthio-2-chloroquinazolines with Alkylamines in Dimethylformamide
- Fused Pyrimidines. III. The Reaction of 2,4-Dichloroquinazoline with N-Alkyl Cyclic Amines
- Fused Pyrimidines. II. Formation Mechanism of 2-[N-Alkyl-N-(ω-chloroalkyl) amino]-4-chloroquinazolines
- Fused Pyrimidines. I. The Chlorination of 2,4 (1H, 3H)-Quinazolinedione with Phosphoryl Chloride in the Presence of N-Alkylcyclic Amines