摘要:
The invention is a chelate of formula I: ##STR1## wherein R.sub.1-4 is --CH.sub.2 COOH;n is 1 to 5;X is a member selected from the group consisting of--NO.sub.2,--NH.sub.2,--NCS,--NHCOCH.sub.2 --Z, with Z being a member selected from the group consisting of Br and I,--COOH; and--OCH.sub.2 OOCH;and M is a metal ion selected from the group of elements consisting ofBi, Pb, Y, Cd, Hg, Al, Th, Sr, and Lanthanides.The invention also includes a chelate, wherein M is a copper ion and n is an integer from 2 to 5. The invention includes chelate conjugates of formula I and ligand conjugates of formula II: ##STR2## The invention also includes methods to use these compounds for treatment of cellular disorders and for diagnostic tests.
摘要:
Metal alkoxyalkoxides wherein the alkoxy portion has 3-6 carbon atoms and the alkoxide portion has 2-6 carbon atoms are provided and are useful in forming films on a substrate.
摘要:
A photochromic material having a ring opening quantum yield of 10−3 or lower which does not fade under ambient light is provided. The material comprises a compound belonging to the diheteroarylethene class. The compound has alkoxy group and aryl group on the heteroaryl group.
摘要:
This invention relates to a method to produce pentfulvenes comprising combining a partially substituted cyclopentadiene with a carbonyl containing compound and lithium or an alkyl lithium, wherein the partially substituted cyclopentadiene is represented by the formula: ##STR1## wherein the R.sup.1 to R.sup.5 groups are independently hydrogen or a C.sub.1 to C.sub.100 group, provided at least one R group is hydrogen but not more than three R groups are hydrogen.