Nova Patents
ATE449751T1

Synthesis of 6-aryl-6-alkyl fulvenes, 6-aryl-6-alkenyl fulvenes, and related compounds

Abstract

The present invention provides a method of making fulvenes, particularly 6-aryl-6-alkylfulvenes, 6-aryl-6-alkenylfulvenes, and related compounds, by combining alkyl- or alkenyl-arylketones with magnesium cyclopentadienyl reagents in nonprotic, including ethereal, solvents. The use of these compounds in preparing bis(cyclopentadienyl)methanes and related compounds, and ansa-metallocenes, is disclosed.

Term

Term ended

Projected expiry passed 23 June 2025, 1.3 years ago.

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19 members in 12 offices

This recordMember, by publication datePriority claim2 more offices are in the list below

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Priority claims
DocumentOfficeKindDate
87702104United States of AmericaA
2005022746United States of AmericaW

Members19

Family members, oldest first
DocumentOfficeKind
US2005288524A1United States of AmericaA1
AU2005259998A1AustraliaA1
CA2570152A1CanadaA1
WO2006004669A1World Intellectual Property Organization (WIPO)A1
MXPA06015068AMexicoA
EP1778606A1European Patent Office (EPO)A1
CN1997614AChinaA
HK1101164AHong Kong, ChinaA
HK1101164A1Hong Kong, ChinaA1
BRPI0512603ABrazilA
RU2007102689ARussian FederationA
US7420097B2United States of AmericaB2
EP1778606B1European Patent Office (EPO)B1
AT449751TAustriaT
ATE449751T1This recordAustriaT1
DE602005017908D1GermanyD1
CN1997614BChinaB
CA2570152CCanadaC
BRPI0512603B1BrazilB1