The present invention provides for a novel method for the synthesis of Vitamin E analogues and useful derivatives. The invention provides for novel methods for the derivatization of Vitamin E to generate molecules with improved bioavailability, radiolabelling capabilities for diagnostic use, and improved methods for the isolation or purification of Vitamin E from natural plant oil sources.

Novel cromolyn analogs useful as imaging agents for detecting atherosclerotic plaques and for treating atherosclerosis and Alzheimer's Disease, and methods of making the cromolyn analogs, are disclosed. The cromolyn analogs have the general formula:

##STR00001##

wherein: X is OH, C.sub.1-C.sub.6 alkoxyl; Y and Z are independently selected form a C.sub.1-C.sub.6 alkyl, C.sub.1-C.sub.6 alkoxyl, halogen, un-substiuted or C.sub.1-C.sub.6 substituted amine, .sup.18F, .sup.19F, or H; and n is 1, 2, or 3; and wherein for structure (I), if n are both 1 and Y and Z are both H and X is OH.

The present disclosure is directed, in part, to compounds and methods for imaging myocardial perfusion, comprising administering to a patient a contrast agent which comprises a compound that binds MC-1, and an imaging moiety, and scanning the patient using diagnostic imaging.

Novel cromolyn analogs useful as imaging agents for detecting atherosclerotic plaques and for treating atherosclerosis and Alzheimer's Disease, and methods of making the cromolyn analogs, are disclosed. The cromolyn analogs have the general formula: ##STR00001##
wherein: X is OH, C.sub.1-C.sub.6 alkoxyl; Y and Z are independently selected form a C.sub.1-C.sub.6 alkyl, C.sub.1-C.sub.6 alkoxyl, halogen, un-substituted or C.sub.1-C.sub.6 substituted amine, .sup.18F, .sup.19F, or H; and n is 1, 2, or 3; and wherein for structure (I), if n are both 1 and Y and Z are both H and X is OH.

Novel cromolyn analogs useful as imaging agents for detecting atherosclerotic plaques and for treating atherosclerosis and Alzheimer's Disease, and methods of making the cromolyn analogs, are disclosed. The cromolyn analogs have the general formula: ##STR00001##
wherein: X is OH, C.sub.1-C.sub.6 alkoxyl; Y and Z are independently selected form a C.sub.1-C.sub.6 alkyl, C.sub.1-C.sub.6 alkoxyl, halogen, un-substituted or C.sub.1-C.sub.6 substituted amine, .sup.18F, .sup.19F, or H; and n is 1, 2, or 3; and wherein for structure (I), if n are both 1 and Y and Z are both H and X is OH.

Novel cromolyn analogs useful as imaging agents for detecting atherosclerotic plaques and for treating atherosclerosis and Alzheimer's Disease, and methods of making the cromolyn analogs, are disclosed. The cromolyn analogs have the general formula; ##STR00001##
wherein X is OH, C.sub.1-C.sub.6 alkoxyl; Y and Z are independently selected from a C.sub.1-C.sub.6 alkyl, C.sub.1-C.sub.6 alkoxyl, halogen, mi-substituted or C.sub.1-C.sub.6 substituted amine, .sup.18F, .sup.19F, or H; and n is 1, 2, or 3; and wherein for structure (I), if n are both 1 and Y and Z are both H and X is OH.

The present disclosure relates to magnetic resonance imaging (MRI) methods comprising (i) obtaining a baseline chemical exchange saturation transfer (CEST) MRI image of a patient, (ii) administering an effective amount of a non-nutritive sweetener to the patient, and (iii) obtaining one or more test CEST MRI image of the patient subsequent to the administering step (ii); wherein the step (i) and (iii) acquisition parameters are substantially the same. The non-nutritive sweetener may include a natural or artificial sugar alcohol, polyol, or combinations or derivatives thereof.

Compositions and methods for visualizing tissue under illumination with near-infrared radiation, including compounds comprising near-infrared, closed chain, sulfo-cyanine dyes and prostate specific membrane antigen ligands are disclosed.

The present disclosure is directed, in part, to compounds and methods for imaging myocardial perfusion, comprising administering to a patient a contrast agent which comprises a compound that binds MC-1, and an imaging moiety, and scanning the patient using diagnostic imaging.

Novel cromolyn analogs useful as imaging agents for detecting atherosclerotic plaques and for treating atherosclerosis and Alzheimer's Disease, and methods of making the cromolyn analogs, are disclosed. The cromolyn analogs have the general formula:

##STR00001##

wherein: X is OH, C.sub.1-C.sub.6 alkoxyl; Y and Z are independently selected form a C.sub.1-C.sub.6 alkyl, C.sub.1-C.sub.6 alkoxyl, halogen, un-substituted or C.sub.1-C.sub.6 substituted amine, .sup.18F, .sup.19F, or H; and n is 1, 2, or 3; and wherein for structure (I), if n are both 1 and Y and Z are both H and X is OH.