geoscience.net logo
+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Synthesis of dutadrupine


, : Synthesis of dutadrupine. Heterocycles (Tokyo) 19(3): 507-510

Dutadrupine [a constituent of Dutaillyea drupacea] (3) was synthesized by Claisen rearrangement of 7-(1,1-dimethylpropyn-1-oxy)-4-methoxyfuro[2,3b]quinoline obtained by condensation of 7-hydroxy-4-methoxyfuro[2,3b]quinoline with 3-chloro-3-methylbutyne.

US$29.90


Other references

Weiss, S.W., 1963: Cry Wolf; A Case Study Of Suicide And Homicide. Delaware Medical Journal 35: 293-297

Schaeffer, E.M., 2013: Re: a case-control study of chronic prostatitis/chronic pelvic pain syndrome and colorectal cancer. Journal of Urology 189(3): 916-916

Johns, D.P.; Eldridge, G., 1992: Fair play and the organization of sport. This paper attempts to analyse the responses of young children who completed a short questionnaire which related to the role of adults and the significance of fair play, winning and learning in their involvement in sport. The paper discusses the r...

Aul, C.; Gattermann, N.; Heyll, A.; Germing, U.; Derigs, G.; Schneider, W., 1992: Primary myelodysplastic syndromes: analysis of prognostic factors in 235 patients and proposals for an improved scoring system. In an attempt to identify prognostic factors for survival and leukemic transformation, 235 untreated patients with primary myelodysplastic syndromes (MDS) were analyzed in a single center retrospective study. To the well known FAB classification o...

Wagner, G.G.; Duffus, W.P.; Burridge, M.J., 1974: The specific immunoglobulin response in cattle immunized with isolated Theileria parva antigens. Cattle were inoculated with purified Theileria parva piroplasm and/or schizont antigen. Two similar inoculations were given 10 days apart. Serum samples were regularly collected and the indirect haemagglutination (IHA), indirect immunofluorescence...

Vincent Jean Serge, 1983: The glacial lakes of Banks Island, Arctic Canada. Geographie Physique et Quaternaire 37(1): 39-48

Desor Edouard, 1849: On the ribbon structure of the ice in glaciers. Proceedings of the Boston Society of Natural History 3: 125-127

Namba, M.; Hanafusa, T.; Kono, N.; Tarui, S.; (Japan), T.G.G.Hypoglycemia Study Group, 1993: Clinical evaluation of biosynthetic glucagon treatment for recovery from hypoglycemia developed in diabetic patients. Biosynthetic glucagon (GL-G) produced by recombinant DNA technology with transformed yeast strains is already available for clinical use. We studied the effects of 1 mg GL-G injection on plasma glucose level and hypoglycemic symptoms in 38 diabeti...

Ryu, J.Sang.; Kim, J-Il.; Kunkel, T.; Kim, B.Chul.; Cho, D.Shik.; Hong, S.Hyun.; Kim, S-Hee.; Fernández, A.Piñas.; Kim, Y.; Alonso, J.M.; Ecker, J.R.; Nagy, F.; Lim, P.Ok.; Song, P-Soon.; Schäfer, E.; Nam, H.Gil., 2005: Phytochrome-specific type 5 phosphatase controls light signal flux by enhancing phytochrome stability and affinity for a signal transducer. Environmental light information such as quality, intensity, and duration in red (apprx660 nm) and far-red (apprx730 nm) wavelengths is perceived by phytochrome photoreceptors in plants, critically influencing almost all developmental strategies fr...

Schnepper, E.; Schulze, E., 1967: Clinical aspects and radiotherapy of the esophageal carcinoma (with therapeutic results from the radiological department of the Chirurgische Universitätsklinik Münster). Strahlentherapie 132(3): 321-333