Dihydropyridine-5-phosphonic acid cyclic propylene ester

• Main Authors: SETO, KIYOTOMO NISSAN ICAL INDUSTRIES LTD, SAKAI, TOSINORI NISSAN ICAL INDUSTRIES LTD, MASUDA, YUKINORI NISSAN ICAL INDUSTRIES LTD, SAKODA, RYOZO NISSAN ICAL INDUSTRIES LTD, TANAKA, SAKUYA NISSAN ICAL INDUSTRIES LTD
• Format: Patent
• Language: English; French; German
• Published: 05.08.1987
• Edition: 4
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

A compound of the formula: wherein each of R , R , R , R , R and R which may be the same or different, is hydrogen or C1-C4 alkyl; one of X and X is nitro, fluorine, chlorine, difluoromethoxy or trifluoromethyl and the other is hydrogen, or both of X and X are chlorine; and Y is wherein A is C2-C6 a...