Precursors and synthesis of methyl-9-oxo-11 alpha, 16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates

• Main Author: FLOYD, MIDDLETON BRAWNER, JR
• Format: Patent
• Language: English; French; German
• Published: 11.03.1987
• Edition: 4
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

Novel precursors for the synthesis of methyl-9-oxo-11 alpha , 16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates having the formula wherein R1 is H or C1-C4 alkyl; R2 is C1-C4 alkyl, R3 is H, C1-C4 trialkylsilyl or C1-C6 alkyl; X1 is halogen, cyano, C1-C4 alkoxycarbonyl, carboxy or tri (C1-C4 alko...