On the Reaction of 4-Quinazolinecarbonitrile with Nucleophilic Reagents. II. Reaction of 4-Quinazolinecarbonitrile with Grignard Reagents
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- 東野 武郎
- Shizuoka College of Pharmacy
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Grignard reagents reacted as anionoid with 4-quinazolinecarbonitrile (I).<BR>Reaction of (I) with methylmagnesium iodide, ethylmagnesium bromide, isopropylmagnesium bromide, phenylmagnesium bromide, and benzylmagnesium chloride afforded 4-methyl-(II), 4-ethyl-(III), 4-isopropyl-(IV), 4-phenyl-(V), and 4-benzylquinazoline-(VI), respectively.<BR>The mechanism for these reactions may be suggested as in Chart 2.<BR>Reactions of 4-chloroquinazoline (VII) with Grignard reagents were carried out in order to compare them with those of (I) using the same reagents.<BR>(VII), with isopropylmagnesium bromide, afforded (W) and 4, 4'-biquinazoline (VIII), with phenylmagnesium bromide, (VIII), and with benzylmagnesium chloride, (VI).<BR>The foregoing results showed that the 4-position in (I) was very reactive to anionoid reagents, and some differences in chemical properties existed between (VIII) and (I).
収録刊行物
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- CHEMICAL & PHARMACEUTICAL BULLETIN
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CHEMICAL & PHARMACEUTICAL BULLETIN 10 (11), 1043-1047, 1962
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390282679151137408
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- NII論文ID
- 110003618759
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- NII書誌ID
- AA00602100
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- ISSN
- 13475223
- 00092363
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- PubMed
- 13954397
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可