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Inventor:
Zeldis; Joseph
Address:
New City, NY
No. of patents:
15
Patents:












Patent Number Title Of Patent Date Issued
7842834 Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts November 30, 2010
The present invention provides synthetic processes for the preparation of sulfonyl halides of Formula Ar--(R).sub.z--SO.sub.2--X and sulfonamides of Formula Ar--(R).sub.z--SO.sub.2--NR.sup.4R.sup.5, where the constituent variables are as defined herein, that are useful as intermediat
7687666 Methods for preparing sulfonamide substituted alcohols and intermediates thereof March 30, 2010
Processes for preparing amino alcohols or salts thereof and sulfonamide substituted alcohol compounds are provided. Desirably, the sulfonamide substituted alcohol compounds are heterocyclic sulfonamide trifluoroalkyl-substituted alcohol compounds or phenyl sulfonamide trifluoroalkyl-
7541485 Methods for preparing glutamic acid derivatives June 2, 2009
The present invention relates to novel methods for the preparation of glutamic acid derivatives and intermediates thereof, and such compounds prepared by the novel methods.
7361773 Preparation of N1-(2'-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of April 22, 2008
A process for making a compound of the formula comprising dialkylating a benzodioxane aniline ##STR00001##
7276611 Process for synthesizing beta-lactamase inhibitor intermediates October 2, 2007
There is provided a process for the preparation of bicyclicheteroaryl carboxaldehydes having the structural Formula I where X and Y are defined in the specification ##STR00001## The bicyclic heteroaryl carboxaldehydes are useful as intermediates in the preparation of .beta.-lactamase
7256289 Process for making chiral 1,4-disubstituted piperazines August 14, 2007
A process for a stereoselective preparation of novel chiral nitrogen mustard derivatives useful in synthesizing optically active 1,4-disubstituted piperazines of formula: ##STR00001## wherein R, Ar, and Q are defined as set forth herein, and intermediate compounds therefor. The 1,4-
7179911 Method for preparing hydroxamic acids February 20, 2007
Processes for using a compound of formula III: ##STR00001## to make compounds of formulae I and II: ##STR00002## and processes for making the compound of formula III, where R.sub.1-5 and J are as defined herein.
7091349 Process for synthesizing N-aryl piperazines with chiral N'-1-[benzoyl(2-pyridyl)amino]-2-propane August 15, 2006
A process for formation of N-aryl piperazines with chiral N'-1-[benzoyl(2-pyridyl)amino]-2-propane side-chains having the structure shown in formula below, and for making intermediate compounds therefor. ##STR00001## In this process, chirality is introduced at the piperazine ring fo
7019137 Process for making chiral 1,4-disubstituted piperazines March 28, 2006
A process for a stereoselective preparation of novel chiral nitrogen mustard derivatives useful in synthesizing optically active 1,4-disubstituted piperazines of formula: ##STR00001## wherein R, Ar, and Q are defined as set forth herein, and intermediate compounds therefor. The 1,4
6784294 Preparation of N1-(2'-pyridyl)-1,2-propanediamine sulfamic acid and its use in the synthesis of August 31, 2004
A process for making an N1-(2'-pyridyl)-1,2-alkanediamine sulfamic acid of formula II by reacting a compound of formula I with NH.sub.2 R' ##STR1##wherein R and R' are as defined in the specification. The invention also includes the compound of formula II, and optical isomers thereof. Th
6713626 Process for synthesizing N-aryl piperazines with chiral N'-1-[benzoyl(2-pyridyl)amino]-2-propane March 30, 2004
A process for formation of N-aryl piperazines with chiral N'-1-[benzoyl(2-pyridyl)amino]-2-propane side-chains having the structure shown in formula below, and for making intermediate compounds therefor. ##STR1##In this process, chirality is introduced at the piperazine ring formation
6649779 Estrenes November 18, 2003
This invention provides a pharmaceutically acceptable salt of 3.beta.-hydroxy-5(10)-estrene-17-one 3-sulfate ester and a pharmaceutically acceptable salt of 3.alpha.-hydroxy-5(10)-estrene-17-one 3-sulfate ester, which are useful as an estrogens.
6268504 Aryloxy-alkyl-dialkylamines July 31, 2001
The present invention provides compounds useful in the synthesis of biologically active compounds, and processes for their production, the compounds having the formula: ##STR1##wherein: R.sup.1 and R.sup.2 are, independently, selected from H; C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub
6242605 Aryloxy-alkyl-dialkylamines June 5, 2001
The present invention provides compounds useful in the synthesis of biologically active compounds, and processes for their production, the compounds having the formula: ##STR1##wherein: R.sup.1 and R.sup.2 are, independently, selected from H; C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub
6005102 Aryloxy-alkyl-dialkylamines December 21, 1999
The present invention provides compounds useful in the synthesis of biologically active compounds, and processes for their production, the compounds having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are, independently, selected from H; C.sub.1 -C.sub.12 alkyl or C.sub.1 -










 
 
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