摘要:
Aziridine compounds having structural formula (I), wherein R1 represents an alkylidene group; R2 represents hydrogen or an alkyl radical; R3 represents an aromatic hydrocarbon moiety; R4 represents an alkyl radical; R5 represents an alkylene radical; R6 represents hydrogen, an alkyl radical, phenyl or combinations thereof; and X represents oxygen, -S-, NH-, or NR-, wherein R represents an alkyl or phenyl are disclosed. Acrylic polymers containing moieties of at least two such aziridine compounds depending therefrom are also disclosed. The acrylic polymers are relatively non-toxic and have negligible inhalation irritation and are useful in the formulation of coating compositions which harden or cure at low temperatures.
摘要:
In some aspects, the present disclosure provides methods of aminating an aromatic compound comprising reacting an aminating agent with an aromatic compound in the presence of a rhodium catalyst. In some embodiments, the methods may comprise aminating an aromatic compound which contains multiple different functional groups. The methods described herein may also be used to create bicyclic system comprising reacting an intramolecular aminating agent with an aromatic ring to obtain a second ring containing a nitrogen atom. In another aspect, the methods described herein may also be used to create a cyclic aliphatic cyclic/poly cyclic amine system comprising a reacting an intramolecular aminating agent by insertion into a C(sp3)-H bond.
摘要:
Certain compounds, or pharmaceutically acceptable salts or prodrugs thereof, pharmaceutical compositions comprising the same and methods of treating patients suffering from certain diseases and disorders responsive to the inhibition of KMO activity are described, which comprise administering to such patients an amount of at least one compound, or pharmaceutically acceptable salt or prodrug thereof described herein, effective to reduce signs or symptoms of the disease or disorder. These diseases include neurodegenerative disorders such as Huntington's disease.
摘要:
Chiral synthesis from an achiral starting material by chiral diaminemediated, such as sparteine-mediated, intermolecular asymmetric alkylation with a strained cyclic ether in the presence of a Lewis acid.
摘要:
N-Benzoyl arylsulfonamides having the formula (I) are BCL-Xl inhibitors and are useful for promoting apoptosis. Also disclosed are BCL-Xl inhibiting compositions and methods of promoting apoptosis in a mammal.
摘要:
Methacrylated cardanol glycidyl ethers, diglycidyl ethers, intermediates and derivatives thereof are described herein. Compositions and polymers made with such compounds as well as methods of preparation thereof are also described. For example, compounds of Formulas: wherein n, R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 can each represent various different entities are described in the present disclosure.
摘要:
The invention relates to methods of preparing compounds of formula (II) wherein Z represents -OR 1 or -N(R 2 )R 2a -, where R 1 is lower alkylene (C 1 -C 6 ), R 2 is lower alkyl or H and R 2a is lower alkylene (C 1 -C 6 ) or H;Q is absent when R 2a is H and is otherwise selected from the group consisting of H, -OH and protected forms of -OH; one of X and Y is halogen and the other is -OSO 2 R 3 , where R 3 is selected from the group consisting of lower alkyl (C 1 -C 6 ), phenyl and CH 2 phenyl. The method comprises the steps of: (a) reacting a compound of formula (I) with aziridineethanol or a 2-[(2-haloethyl)amino]ethanol in the presence of a metal halide, to form a compound of the formula (III) wherein one of X and E is halogen and the other is hydroxy, and (b) reacting the compound of formula (III) with an alkyl- or arylsulfonyl halide or alkyl- or arylsulfonyl anhydride to obtain a compound of the formula (II). The invention also relates to methods of preparing compounds of formula (IV) from the compounds of formula (II) so obtained, and to novel compounds of formula (IIb) useful as intermediates in these methods.
摘要:
The present invention relates to an improved method for preparing dipeptidyl peptidase-IV inhibitor and intermediate. The present invention is able to reduce preparation costs by using low cost reagents on reaction and is able to be used in mass production by improving yield.