午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List CALANOLIDE A
142632-32-4

CALANOLIDE A synthesis

12synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: conc. H2SO4 / 2 h / 90 °C
2: 16 percent / AlCl3 / nitrobenzene; CS2
3: 93 percent / pyridine / toluene / 144 h / Heating
4: 30 percent / pyridinium tosylate, TFA, pyridine / 4 h / 140 °C
5: 1.) CeCl3(H2O)7, 2.) NaBH4 / 1.) EtOH, RT, 1.5 h, 2.) EtOH, -30 deg C, 8.5 h

References:

Flavin, Michael T.;Rizzo, John D.;Khilevich, Albert;Kucherenko, Alla;Sheinkman, Abram K.;Vilaychack, Vilayphone;Lin, Lin;Chen, Wei;Greenwood, Eugenia Mata;Pengsuparp, Thitima;Pezzuto, John M.;Hughes, Stephen H.;Flavin, Thomas M.;Cibulski, Michael;Boulanger, William A.;Shone, Robert L.;Xu, Ze-Qi [Journal of Medicinal Chemistry,1996,vol. 39,# 6,p. 1303 - 1313]

CALANOLIDE A Related Search: