一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol

(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol Struktur
2616-16-2
CAS-Nr.
2616-16-2
Englisch Name:
(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol
Synonyma:
Retuline;(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol;Curan-17-ol, 1-acetyl-19,20-didehydro-, (16α,19E)-
CBNumber:
CB82182962
Summenformel:
C21H26N2O2
Molgewicht:
338.45
MOL-Datei:
2616-16-2.mol

(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol Eigenschaften

Schmelzpunkt:
l67-l73°C
Siedepunkt:
559.6±50.0 °C(Predicted)
Dichte
1.28±0.1 g/cm3(Predicted)
pka
14.62±0.10(Predicted)

Sicherheit

(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol Chemische Eigenschaften,Einsatz,Produktion Methoden

Beschreibung

This alkaloid has been isolated from Strychnos holstii var. reticulata f. condensata and may be purified by recrystallization from AcOEt or heptane when it yields clusters of colourless needles. It is dextrorotatory with [α]D + 23° (c 0.7, MeOH) and gives an ultraviolet spectrum which exhibits a single absorption maximum at 254.4 mIJ.. It is only sparingly soluble in heptane or Et20, more so in C6H6 and freely soluble in MeOH, EtOH, Me2CO or CHC13. The alkaloid has been synthesized via the lactam produced from strychnine or the WielandGumlich aldehyde.

Einzelnachweise

Bosley.,J. Pharrn. Belg., 6,150,243 (1951)
Structure:
Bisset., Chern. Ind., 1036 (1965)
Synthesis:
Wenkert, Sklar.,J. Org. Chern., 31,2689 (1966)
Hymon, Schmid., Helv. Chirn. Acta., 49,2067 (1966)

(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


(16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 2)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
TargetMol Chemicals Inc.
+1-781-999-5354;
support@targetmol.com United States 39040 58
Shanghai Youji Materials Co., Ltd 13052376889 13681663468
2851911691@qq.com China 824 58

  • (16α,19E)-1-Acetyl-19,20-didehydrocuran-17-ol
  • Retuline
  • Curan-17-ol, 1-acetyl-19,20-didehydro-, (16α,19E)-
  • 2616-16-2
Copyright 2019 ? ChemicalBook. All rights reserved
翼城县| 昌江| 金堂县| 曲阜市| 彩票| 长岭县| 淮阳县| 修武县| 辽宁省| 衡东县| 文水县| 松阳县| 静海县| 磐石市| 青河县| 全椒县| 荔浦县| 稷山县| 平原县| 武穴市| 柳州市| 大厂| 永善县| 卫辉市| 鄂尔多斯市| 固始县| 北海市| 龙陵县| 新民市| 驻马店市| 宜君县| 天柱县| 寿阳县| 麻江县| 水城县| 孙吴县| 株洲市| 灌阳县| 门源| 石渠县| 巨野县|