An organometallic compound represented by Formulae 1, 2, or 3 below: ##STR00001## wherein in Formulae 1, 2, and 3, groups and variables are the same as in the specification.

Probes for formaldehyde (FA) including a homoallylamine trigger group attached to a detectable moiety are provided. Aspects of the probes include luminogenic or fluorogenic probes, such as a probe including a quencher in energy-receiving proximity to a fluorophore. Also provided are methods of using the probes for sensitive and bio orthogonal detection of FA in a sample. Aspects of the methods include selectively reacting the probe with the formaldehyde in the sample to a release (e.g., via a 2-aza-Cope rearrangement) a reporter group comprising a detectable moiety. Aspects of the methods detecting formaldehyde in a cell, tissue, organ or fluid in a subject. Also provided are compositions and kits including the subject probes that find use in practicing various embodiments of the subject methods.

An organic molecule is disclosed having a structure of Formula I:

##STR00001##

wherein X is O or S; Y is O or S; R.sup.1 is selected from the group consisting of: hydrogen, deuterium, C.sub.1-C.sub.5-alkyl, which is optionally substituted with one or more substituents R.sup.5; C.sub.6-C.sub.60-aryl, which is optionally substituted with one or more substituents R.sup.5; and C.sub.3-C.sub.57-heteroaryl,
which is optionally substituted with one or more substituents R.sup.5.

The present disclosure provides polymerizable luminescent dyes useful for incorporation into polymers. The dyes and the polymers can be used in sensing and imaging applications, for example, to provide accurate and optionally long term measurements of glucose in vivo. The present disclosure also provides sensors including the polymers described herein. The sensors can be implanted into a tissue of a subject and used for long-term or short-term continuous and semi-continuous collection of data of various biochemical analytes, optionally without the use of implantable hardware of any type and/or enzymatic and electrochemical detection methods.

The invention relates to an organic compound, in particular for the application in optoelectronic devices. According to the invention, the organic compound has a structure of Formula I,

##STR00001## wherein n is 0 or 1; m=1-n; X is N or CR.sup.X; V is N or CR.sup.V; Z is N or CR.sup.II; R.sup.1 and R.sup.2 are independently from each other selected from the group consisting of: C.sub.1-C.sub.5-alkyl, which is optionally substituted with one or more substituents R.sup.6; C.sub.6-C.sub.60-aryl, which is optionally substituted with one or more substituents R.sup.6, and C.sub.3-C.sub.57-heteroaryl, which is optionally substituted with one or more substituents R.sup.6.

A method for preparing a sensitizing material and an organic light emitting diode are provided, the method including: adding C.sub.24H.sub.16Br.sub.2P.sub.2 and dichloromethane to a hydrogen peroxide solution to react therewith, dissolving a reactant in a dichloromethane solution and subjecting the solution to a purification with a first silica gel column; adding a purified product, a predetermined electron donor material, palladium acetate, and tri-tert-butylphosphine tetrafluoroborate in sodium tert-butoxide and toluene to react; extracting with dichloromethane and purified by a second silica gel column.

The invention relates to purely organic molecules according to formula A without metal center and their use as emitters in organic light-emitting diodes (OLEDs) and in other optoelectronic devices ##STR00001##
with Y is independently selected from the group consisting of C, PR, S, and S(O); W is independently selected from the group consisting of C(CN).sub.2, NR, O, and S; X is selected from the group consisting of CR.sup.2, CC(CN).sub.2, NR, O, and S; Ar is a substituted aryl or heteroaryl group with 5 to 40 aromatic ring atoms, which is substituted with m same or different radicals R* and with n same or different donor groups D with electron-donating properties, wherein m+n equals the number of substitutable ring atoms and wherein D comprises a structure of formula I: ##STR00002##
wherein A and B are independently selected from the group consisting of CRR, CR, NR, and N, wherein there is a single of a double bond between A and B and a single or a double bond between B and Z; Z is a direct bond or a divalent organic bridge group selected from the group consisting of a substituted or unsubstituted C1-C9-alkylene group, C2-C8-alkenylene group, C2-C8-alkynylene or arylene group or a combination of these, CRR, CCRR, CNR, NR, O, SiRR, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene groups, and phenyl or substituted phenyl units; wherein the waved line indicates the position over which D is bound to Ar.

An organometallic compound represented by Formula 1:

##STR00001## wherein, in Formula 1, groups and variables are the same as described in the specification.

An organometallic compound and an organic light-emitting device including the same are disclosed. The organometallic compound includes a transition metal and at least one organic ligand, wherein the organometallic compound satisfies predetermined conditions described in the specification.

An organometallic compound represented by Formula 1:

M(L.sub.1).sub.n1(L.sub.2).sub.n2Formula 1

wherein, in Formula 1, M, L.sub.1, L.sub.2, n1, and n2 are the same as described in the specification.