Use of new silylating agents for identification of hydroxylated steroids by gas chromatography-electron impact-mass spectrometry.
書誌事項
- 公開日
- 1975
- 資源種別
- journal article
- DOI
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- 10.1248/cpb.23.3033
- 公開者
- 公益社団法人 日本薬学会
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説明
A difference of methylene unit value, Δ [MU], was used for the determination of hydroxyl group number of steroid by means of gas chromatography. This index is defined by the difference in the methylene unit value between trimethylsilyl and other dimethylalkylsilyl (DMAS) ether derivatives, namely dimethylethylsilyl (DMES) and dimethyl-n-propylsilyl (DMPS) ethers, of hydroxy-steroid. Mass spectra of these derivatives were characterized by the molecular ion cluster, M, M-15 and M-29 (or M-43), where the fragment ion of M-29 (or M-43) appeared in the most case as a base peak. The molecular ion cluster of these derivatives is of great use for estimating the molecular weight. There-fore, these DMAS ethers provide a valuable information for structural elucidation of hydroxy-steroids by gas chromatography-electron impact-mass spectrometry.
収録刊行物
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- ＣＨＥＭＩＣＡＬ ＆ ＰＨＡＲＭＡＣＥＵＴＩＣＡＬ ＢＵＬＬＥＴＩＮ
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ＣＨＥＭＩＣＡＬ ＆ ＰＨＡＲＭＡＣＥＵＴＩＣＡＬ ＢＵＬＬＥＴＩＮ 23 (11), 3033-3035, 1975
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
- 1390282679147240960
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- NII論文ID
- 110003621802
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- NII書誌ID
- AA00602100
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- ISSN
- 13475223
- 00092363
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- PubMed
- 1218443
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- 本文言語コード
- en
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- 資料種別
- journal article
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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