Results 241 to 250 of about 160,210 (280)
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Photoactive C16-C21 fragmentation of catharanthine
Tetrahedron Letters, 1991Photolysis of catharanthine in the presence of several potential electron acceptors and cyanide ion leads to either addition of cyanide at C3 and C5 or to C16-C21 fragmentation and addition of cyanide at C21.
Richard J. Sundberg +3 more
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The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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Timber Engineered for C21 Architecture
Structures Congress 2008, 2008Michael Dickson, Richard Harris
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Mosquito CYP4C21 knockout reduces dengue virus and Zika virus replication in Aedes aegypti cells
Biosafety and Health, 2023新宇 周
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C21 steroidal glycosides with cytotoxic activities from Cynanchum otophyllum
Bioorganic and Medicinal Chemistry Letters, 2018Ming-Hua Qiu
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