The present disclosure provides a compound, a complex, a preparation method thereof, and a use thereof. The compound is represented by the following structural formula, in which R.sup.1 to R.sup.10 are the same or different and are each independently selected from hydrogen, a hydrocarbon group having a carbon number of C.sub.1 to C.sub.16, a substituted hydrocarbon group, an alkoxy group, an alkylthio group, an alkylamino group, a haloalkylthio group, a halogen-substituted alkoxy group, a halogen-substituted alkylamino group, an aryloxy group, an arylthio group, arylamino group, a diphenylphosphino group, a halogen group, a nitro group, or a nitrile group. The complex of one embodiment of the present disclosure has a high catalytic effect, and can be used to prepare a highly branched, controllable, low molecular weight polymer with a high activity.

##STR00001##

The present disclosure provides a compound, a complex, a preparation method thereof, and a use thereof. The compound is represented by the following structural formula, in which R.sup.1 to R.sup.10 are the same or different and are each independently selected from hydrogen, a hydrocarbon group having a carbon number of C.sub.1 to C.sub.16, a substituted hydrocarbon group, an alkoxy group, an alkylthio group, an alkylamino group, a haloalkylthio group, a halogen-substituted alkoxy group, a halogen-substituted alkylamino group, an aryloxy group, an arylthio group, arylamino group, a diphenylphosphino group, a halogen group, a nitro group, or a nitrile group. The complex of one embodiment of the present disclosure has a high catalytic effect, and can be used to prepare a highly branched, controllable, low molecular weight polymer with a high activity.

##STR00001##

The present invention relates to a process for carbonylating allyl alcohols at low temperature, low pressure and/or low catalyst loading. In an alternative embodiment, an acylation product of the allyl alcohol is used for the carbonylation. The present invention likewise relates to the preparation of conversion products of these carbonylation products and specifically of (−)-ambrox.

The present invention relates to a process for carbonylating allyl alcohols at low temperature, low pressure and/or low catalyst loading. In an alternative embodiment, an acylation product of the allyl alcohol is used for the carbonylation. The present invention likewise relates to the preparation of conversion products of these carbonylation products and specifically of (−)-ambrox.

The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent device with improved driving voltage and/or power efficiency can be provided by using the organic electroluminescent compound according to the present disclosure.

A solid form of (−)-Ambrox formed by a bioconversion process.

A solid form of (−)-Ambrox formed by a bioconversion process.

Provided is an organic light emitting device including a positive electrode, a negative electrode, and an organic material layer provided between the positive electrode and the negative electrode, wherein the organic material layer comprises a hole transport material having a HOMO absolute value of 4.30 eV to 4.60 eV, and a reversibility value (I.sub.r/I.sub.f) of 0.83 or higher within an oxidation range at a scan rate of 100 mV/s, or the organic material layer comprises an electron blocking material having a reversibility value (I.sub.r/I.sub.f) of more than 0.5 within an oxidation range at a scan rate of 100 mV/s, or the organic material layer comprises an electron transport material having a LUMO absolute value of 2.60 eV to 2.90 eV, and a reversibility value (I.sub.r/I.sub.f) larger than [4.96−1.535×(the LUMO absolute value)] within a reduction range at a scan rate of 100 mV/s.

There is provided a compound having Formula I

##STR00001##

In Formula I=Ar.sup.1 is a hydrocarbon aryl group, a heteroaryl group, or a substituted derivative thereof; and Q has Formula Q1, Q2, or Q3

##STR00002##

The variables are described in detail herein.

Crystalline molecular framework:small molecule compounds. The molecular framework is formed from guanidinium cations and organosulfonate anions and the guanidinium cations and organosulfonate anions are associated via one or more hydrogen bond. The small molecule(s) is/are encapsulated by the molecular framework. Methods for making crystalline molecular framework:small molecule compounds may include combining guanidinium cations, organosulfonate anions, and small molecules in a single step. The crystalline molecular framework:small molecule compounds can be used to determine the structure of the small molecule(s).