Abstract:
O-Isopropylisourea hydrogen sulfate and O-isopropyl- isourea sulfate which are represented by the general formula (I); and a process for the production thereof: (I) [wherein X is HSO4 or 1/2SO4]. O-Isopropylisourea hydrogen sulfate can be produced by reacting cyanamide with isopropyl alcohol in the presence of sulfuric acid, and O-isopropylisourea hydrogen sulfate can be converted into O-isopropylisourea sulfate by neutralization with an alkali metal hydroxide.
Abstract:
There is disclosed a method for selectively binding micromolecules having a lysine functionality comprising the steps of: providing a sample containing one or more species of macromolecules, each having a lysine functionality; providing a binding reagent having the formula X-NH-C(=NH)-OR or X-L-NH-C(=NH)-OR where X is an affinity label that selectively binds to a capture reagent, R is a residue group, and L is a linker moiety; introducing the binding reagent to the sample so as to effect a guanidination reaction between the binding reagent and said one or more species of macromolecules, thereby producing one or more affinity label containing homoarginine derivatives; optionally modifying the affinity label containing homoarginine derivatives to produce further affinity label containing homoarginine derivatives; and capturing affinity label containing homoarginine derivatives using the capture reagent that selectively binds X.
Abstract:
The invention concerns novel substituted imide derivatives of general formula (I), wherein R represents optionally substituted cycloalkyl; R represents optionally substituted alkyl or optionally substituted cycloalkyl; R represents alkyl, alkoxy, alkylthio, amino, alkylamino or dialkylamino and R represents cyano or nitro. The invention also concern a method for the production of said derivatives and to their use for controlling animal pests and as herbicides.
Abstract:
Disclosed is an improved method for producing a nitroisourea derivative which is necessary for producing a nitroguanidine derivative having an insecticidal activity. Specifically disclosed is a method for producing a nitroisourea derivative represented by the general formula (3) below, which is characterized in that a nitroisourea represented by the general formula (1) below and an amine represented by the general formula (2) below or a salt thereof are reacted in the co-presence of a catalytic amount of a hydrogen carbonate.
Abstract:
A compound of formula (I) or the acid fluoride salts thereof, wherein BLK is an N-amino protecting group or hydrogen; AA is an amino acid residue and X is H or a protecting group, is useful as a coupling agent in peptide synthesis.
Abstract:
The invention relates to the use of O-imino-iso-urea compounds as source of radicals to polymerizable compositions comprising these O-imino-iso-urea and to new O-imino-iso-urea compounds. The O-lmino-isoureas compounds are compounds of the Formula (I), wherein n is 1, 2, 3 or 4, R 100 and R 101 are independently H, C 1-18 alkyl, C 3 -C 12 cycloalkyl, C 6 -C 14 aryl, C 1 -C 14 heteroaryl, C 7 -C 15 aralkyl, C 2 -C 14 heteroaralkyl, Cyano, or R 100 and R 101 form together with the carbon to which they are attached a mono or polycyclic C 3 -C 18 carbocyclic or C 1 -C 18 heterocyclic ring; R 102 and R 103 are independently C 1 -C 18 alkyl, C 3 -C 12 cycloalkyl, C 6 -C 14 aryl, C 6 -C 14 aryl once or more than once substituted by C 1 -C 18 alkyl; C 7 -C 15 aralkyl, (CH 3 ) 3 Si-; or R 102 and R 103 are C 1 -C 18 alkyl, C 3 -C 12 cycloalkyl, C 6 -C 14 aryl, C 7 -C 15 aralkyl or R 102 and R 103 are C 1 -C 18 alkyl, C 3 -C 12 cycloalkyl which are interrupted or substituted by O or by N containing groups selected from C 1 -C 18 alkylamino, bis(C 1 -C 18 alkyl)amino or tris(C 1 -C 1t alkyl)ammonium; R 104 if n is 1 is is H, C 1 -C 18 alkyl, C 3 -C 12 cycloalkyl, C 7 -C 14 aralkyl, C 6 -C 14 aryl or acyl selected from the group consisting of the following acyls -C(=O)-H, -C(=O)-C 1 -C 18 alkyl, -C(=O)-C 2 -d 18 alkenyl, -C(=O)-C 6 -C 14 aryl, -C(=O)-C 2 -C 18 alkenyl-C 6 -C 14 aryl, -C(=O)-O-C 1 C 18 alkyl, -C(=O)-O-C 6 -C 14 aryl, -C(=O)-NH-C 1 -C 18 alkyl, -C(=O)-NH-C 6 -C 14 aryl and -C(=O)-N(C 1 C 18 alkyl) 2 ; or R 102 and R 104 if n is 1 form together with the nitrogen atom to which they are attached a 5 to 12 membered ring which may contain additional heteroatoms, R 104 if n is more than 1 is di-, tri-, tetra-C 1 -C 18 alkylidene, diacyls, triacyls or tetraacyls and salts thereof.
Abstract:
Disclosed is an industrially advantageous process for production of O-methyl-N-nitroisourea. O-methyl-N-nitroisourea of the formula (1) or a salt thereof can be produced in a high yield by performing the nitration of O-methylisourea of the formula (2) or a salt thereof with a nitrating agent in the presence of fuming sulfuric acid.
Abstract:
Novel GRP receptor antagonists are provided. Methods of using the present compounds to antagonize GRP receptors are also provided. The present invention further involves the synthesis of the present compounds.