基本情報
- CAS
432-68-8- 標準SMILES
CC1=C(/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C2=C(C)C(=O)CCC2(C)C)C(C)(C)CCC1- InChIKey
QXNWZXMBUKUYMD-QQGJMDNJSA-N- 分子式
- C40H54O
- 平均分子量
- 550.9 g/mol
- 単同位体質量
- 550.41746635
概要
Echinenone is a carotenone that is beta-carotene in which the 4 position has undergone formal oxidation to afford the corresponding ketone. Isolated as orange-red crystals, it is widely distributed in marine invertebrates. It has a role as a cofactor, an animal metabolite, a marine metabolite and a bacterial metabolite. It derives from a hydride of a beta-carotene.
名称と識別子
- 優先名称
- Echinenone
- IUPAC
- 2,4,4-trimethyl-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-2-en-1-one
- 現地名
- 9-cis-β,β-カロテン-4-オン
- 英語名
- Echinenone
- 分子式
- C40H54O
- 分子量
- 550.86
名称と別名
名称をさらに表示
データベース識別子
- CAS
432-68-8- PubChem CID
- 5281236
- DTXSID
DTXSID101026555- ChEBI
CHEBI:4746- UNII
- LJ5IO02MNQ
- EC Number
- 207-083-4
- Nikkaji
- J11.386G
物性
構造計算による物性
- XLogP
- 12.5
- 極性表面積
- 17.1 Ų
- 水素結合供与体数
- 0
- 水素結合受容体数
- 1
- 回転可能結合数
- 10
- 重原子数
- 41
- 形式電荷
- 0
- 複雑度
- 1,300
実験および物理化学的性質
物理化学的性質
- 融点
- 178 · 178-180°
- 沸点
- 685.3 · 685.3±25.0 °C(Predicted)
- 比重(密度)
- 0.972 · 0.972±0.06 g/cm3(Predicted)
- 貯蔵温度
- -20 °C · -20°C
- 溶解性
- クロロホルム(微量)、ジエチルエーテル(微量)、メタノール(微量)
- 外見
- 個体
- 色
- 濃い赤から非常に濃い赤
- BRN
- 2030114 · 2030114
- 安定性
- 光に敏感、温度に敏感
- InChIKey
- QXNWZXMBUKUYMD-QQGJMDNJSA-N
- SMILES
- CC(/C=C/C1=C(C)C(CCC1(C)C)=O)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(\C=C\C2=C(C)CCCC2(C)C)C
安全と法規制
安全データ
- wgk
- 3
- ストレージクラス
- 11 - Combustible Solids
化学と産業
応用分野
使用Echinenone may be used as an external standard for the extraction of carotenoid from plasma samples. It may also been used as an internal standard, added to samples for extraction and quantification.
一般的な説明Echinenone is a carotenoid with a conjugated carbonyl group. Echinenone (4-keto-β-carotene) is a monoketo compound, is an intermediate between β-carotene and canthaxanthin in animals. It is one of the major carotenoids of Anabaena sp., and also present in Micrococcus roseus. It is located in the thylakoid membrane of Anabaena. The conversion of β-carotene to echinenone is catalysed by CrtO, a β-carotene ketolase.
調製方法
純化方法Purify β,β-caroten-4-one by chromatography on partially deactivated alumina or magnesia, or by using a thin layer plate of silica gel G with 4:1 cyclohexane/diethyl ether as the developing solvent. Recrystallise it from *C6H6/MeOH. Store it in the dark at -20o. The oxime crystallises from *C6H6 with m 208o. [Beilstein 7 III 2858, 7 IV 1881.]
サプライヤー15 社
補足説明
定義ChEBI: A carotenone that is beta-carotene in which the 4 position has undergone formal oxidation to afford the corresponding ketone. Isolated as orange-red crystals, it is widely distributed in marine invertebrates.
関連反応
化合物ノート
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