基本情報
- CAS
86639-52-3- 標準SMILES
CCc1c2c(nc3ccc(O)cc13)-c1cc3c(c(=O)n1C2)COC(=O)[C@]3(O)CC- InChIKey
FJHBVJOVLFPMQE-QFIPXVFZSA-N- 分子式
- C22H20N2O5
- 平均分子量
- 392.4 g/mol
- 単同位体質量
- 392.13722174
概要
SN-38 is a member of the class of pyranoindolizinoquinolines that is (4S)-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-dione bearing two additional ethyl substituents at positions 4 and 11 as well as two additional hydroxy substituents at positions 4 and 9. It is the active metabolite of irinotecan and is ~1000 times more active than irinotecan itself. It has a role as an antineoplastic agent, a drug metabolite, an EC 5.99.1.2 (DNA topoisomerase) inhibitor and an apoptosis inducer. It is a delta-lactone, a tertiary alcohol, a member of phenols and a pyranoindolizinoquinoline.
名称と識別子
- 優先名称
- 7-Ethyl-10-Hydroxycamptothecin
- IUPAC
- (19S)-10,19-diethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione
- 現地名
- 7-エチル-10-ヒドロキシカンプトテシン
- 英語名
- 7-Ethyl-10-hydroxycamptothecin
- 分子式
- C22H20N2O5
- 分子量
- 392.4
名称と別名
名称をさらに表示
データベース識別子
- CAS
86639-52-3- PubChem CID
- 104842
- DTXSID
DTXSID4040399- ChEMBL
CHEMBL837- ChEBI
CHEBI:8988- UNII
- 0H43101T0J
- EC Number
- 643-093-9
- Nikkaji
- J353.490A
物性
構造計算による物性
- XLogP
- 1.4
- 極性表面積
- 100 Ų
- 水素結合供与体数
- 2
- 水素結合受容体数
- 6
- 回転可能結合数
- 2
- 重原子数
- 29
- 形式電荷
- 0
- 複雑度
- 820
実験および物理化学的性質
物理化学的性質
- 融点
- 217 °C · 217 °C
- 沸点
- 810.3 · 810.3±65.0 °C(Predicted)
- 比重(密度)
- 1.51 · 1.51±0.1 g/cm3(Predicted)
- 屈折率
- 21.5 ° · 21.5 ° (C=0.2, THF)
- 貯蔵温度
- 2 · 2-8°C
- 溶解性
- 1 mg/mL · DMSO:可溶1mg/mL
- 外見
- 粉
- 酸解離定数(Pka)
- 9.13 · 9.13±0.40(Predicted)
- 色
- オフホワイト
- 安定性
- 2 · 購入日から2年間安定です。この DMSO 溶液は、-20°C で 1 か月間保存できます。
- InChI
- InChI=1S/C22H20N2O5/c1-3-12-13-7-11(25)5-6-17(13)23-19-14(12)9-24-18(19)8-16-15(20(24)26)10-29-21(27)22(16,28)4-2/h5-8,25,28H,3-4,9-10H2,1-2H3/t22-/m0/s1
- InChIKey
- FJHBVJOVLFPMQE-QFIPXVFZSA-N
- SMILES
- N1C2C(=CC(O)=CC=2)C(CC)=C2CN3C(C=12)=CC1[C@](CC)(O)C(=O)OCC=1C3=O
- CAS データベース
- 86639 · 86639-52-3(CAS DataBase Reference)
化学的性質
化学的特性Light-Yellow Solid
安全と法規制
GHS分類
GHS Classification
Danger
H301 (75%): Toxic if swallowed [Danger Acute toxicity, oral]
P203, P264, P270, P280, P301+P316, P318, P321, P330, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 60 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
危険有害性情報
安全データ
- wgk
- 3
- rtecs
- UQ0491000
- ridadr
- 2811
- hs_code
- 29399990
- risk_code
- 25
- hazard_code
- T
- safety_code
- 45
- hazard_class
- 6.1
- packing_group
- Ⅲ
- Hazard Classifications
- Acute Tox. 4 OralRepr. 1BSTOT RE 1
- ストレージクラス
- 6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
化学と産業
薬理情報
Pharmacodynamics
SN-38 (7-ethyl-10-hydroxycamptothecin) is the active metabolite of Irinotecan (CPT-11). Irinotecan is a topoisomerase I inhibitor commercially available as Camptosar®. SN-38 has been found to be 200–2000 times more cytotoxic than CPT-11, but has not been used as an anticancer drug due to its poor solubility in pharmaceutically acceptable solvents and low affinity to lipid membranes. SN-38 also undergoes a reversible conversion to an inactive open lactone ring structure at physiological pH. LE-SN-38 is a novel lipsome based formulation containing liposomes of uniform size distribution (<200 nm). Drug entrapment efficiency of the formulation is>95%.
Mechanism of Action
The entrapment of SN-38 in lipsomes results in a more stable and more soluble form of the drug. This allows for increased affinity of SN-38 to lipid membranes and improved delivery of the drug to tumor sites. SN-38 is a highly effective cytotoxic topoisomerase I inhibitor.
応用分野
使用7-ethyl-10-hydroxycamptothecin (SN 38) is a metabolite of Irinotecan, a DNA topoisomerase inhibitor. SN 38 has been used in trials studying the treatment of Cancer, Advanced Solid Tumors, Small Cell Lung Cancer, Metastatic Colorectal Cancer, and Triple Negative Breast Cancer, among others.
調製方法
製造方法7-Ethyl-10-hydroxycamptothecin (SN-38) was synthesized from 20(S)-camptothecin (1) as the starting material via a three-step route in 30–35% overall yield. first, 7-ethylation of 20(S)-camptothecin was carried out by adding hydrogen peroxide and freshly distilled propionaldehyde to an ice-cold sulfuric acid solution of the substrate in the presence of ferrous sulfate, giving 7-ethylcamptothecin (2) in 77% yield; second, N-oxidation of 2 with 30% H₂O₂ in acetic acid at 70–80 °C for 3.5 h afforded 7-ethylcamptothecin 1-oxide (3) in 78% yield; finally, photochemical 10-hydroxylation of 3 dissolved in dioxane containing an equimolar amount of sulfuric acid under irradiation with a 450 W high-pressure mercury lamp (Pyrex filter) for 30 min furnished compound 4 (SN-38) in 49% yield [5].
上流・下流製品情報
下流製品
サプライヤー100 社
補足説明
定義ChEBI: SN-38 (7-Ethyl-10-hydroxycamptothecin) is a member of the class of pyranoindolizinoquinolines that is (4S)-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14-dione bearing two additional ethyl substituents at positions 4 and 11 as well as two additional hydroxy substituents at positions 4 and 9. It is the active metabolite of irinotecan and is ~1000 times more active than irinotecan itself. It has a role as an apoptosis inducer, an EC 5.99.1.2 (DNA topoisomerase) inhibitor, a drug metabolite and an antineoplastic agent. It is a pyranoindolizinoquinoline, a delta-lactone, a tertiary alcohol and a member of phenols.
関連反応
化合物ノート
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