| Patents for C07B 51 - Introduction of protecting groups or activating groups, not provided for in groups (403) |
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| 07/25/1995 | US5436331 Protection of hydroxy function with 1-N-aryl-4-alkoxy-piperidin-4-yl |
| 06/08/1995 | WO1995015308A1 Crystalline, polymorphic form of (s,s,s)-n-(1-[2-carboxy-3-(n2-mesyllysylamino)propyl]-1-cyclopentylcarbonyl)tyrosine |
| 04/11/1995 | US5405783 Removing photoremovable protective group from region of substrate, contacting with protected amino acid, repeating to form peptide |
| 10/27/1994 | WO1994024088A1 Deallylation reagent and deallylation method using said reagent |
| 10/27/1994 | CA2160163A1 Deallylation reactive and deallylation process using said reactive |
| 10/12/1994 | EP0619321A1 Very large scale immobilized peptide synthesis |
| 08/31/1994 | EP0476014B1 Very large scale immobilized polymer synthesis |
| 02/23/1994 | EP0583338A1 Method for synthesizing peptides, novel amino acid derivatives used therein, and methods for preparing same. |
| 12/14/1993 | CA1325216C 6-sulfonyl chromans |
| 10/20/1993 | EP0565607A1 Protection group, compoud protected by this group and device for grafting the protection group onto the compound being protected |
| 10/16/1993 | CA2093989A1 Reagent and catalytic process for clearing a protected function |
| 04/27/1993 | US5206363 Process for the resolution of enantiomers of 5-heteroaryl-1,3,4-thiadiazinones |
| 04/14/1993 | EP0537089A1 Reagent composition for deprotection, and its use |
| 04/12/1993 | CA2080276A1 Reagent useful for breakingdown and method of use of said reagent |
| 03/30/1993 | US5198571 Monofunctionalization of phenolic hydroxy onto a polyphenol |
| 03/10/1993 | EP0530657A1 Process for the separation of enantiomers of 5-hetaryl-1,3,4-thiadiazinone |
| 03/03/1993 | CA2077031A1 Process for the resolution of enantiomers of 5-heteroaryl-1,3,4-thiadiazinones |
| 12/08/1992 | CA1311332C Bop reagent for solid phase peptide synthesis |
| 11/12/1992 | WO1992019643A1 Method for synthesizing peptides, novel amino acid derivatives used therein, and methods for preparing same |
| 09/01/1992 | US5143854 Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof |
| 07/23/1992 | WO1992012167A1 Protection group, compoud protected by this group and device for grafting the protection group onto the compound being protected |
| 07/23/1992 | CA2099120A1 Protection group, compound protected by this group and device for grafting the protection group onto the compound being protected |
| 06/25/1992 | WO1992010587A1 Sequencing of surface immobilized polymers utilizing microfluorescence detection |
| 06/24/1992 | EP0491600A1 Process for the regiospecific monofunctionalisation of a phenolic hydroxy group of a polyphenol |
| 03/25/1992 | EP0476014A1 Very large scale immobilized polymer synthesis. |
| 03/18/1992 | EP0475443A2 Chemical synthesis of oligonucleotides |
| 01/08/1992 | EP0464439A2 Process for the preparation of secondary or tertiary alcohols |
| 01/07/1992 | US5079373 Blocking agents useful in the synthesis of polypeptides |
| 12/18/1991 | CN1015104B Deprotection of allylic esters and ethers |
| 10/02/1991 | EP0217804B1 Analogs of substances p |
| 09/24/1991 | CA1289568C Process for production of amino compounds |
| 09/04/1991 | EP0444888A1 Process for the desilylation of a 4-silyloxy-tetrahydro-pyran-2-one |
| 08/28/1991 | EP0298982B1 Protecting groups for organic synthesis |
| 02/05/1991 | US4990644 Sulfonium compound and acylating agent |
| 12/13/1990 | WO1990015070A1 Very large scale immobilized peptide synthesis |
| 12/13/1990 | CA2391491A1 Very large scale immobilized peptide synthesis |
| 12/11/1990 | CA1277673C Substituted ethylene-silane adducts used as protective group reagents |
| 11/22/1990 | EP0398132A2 Phosphorous compounds |
| 10/02/1990 | US4960881 α-chlorinated carbonates, their method of manufacture and application in the protection of the amine functions of amino acids |
| 09/04/1990 | CA1273630A1 Deprotection of allylic esters and ethers |
| 08/22/1990 | EP0383686A1 2-Amino-7-hydroxytetraline carboxyalkyl ethers |
| 08/21/1990 | US4950418 Reagent for removing protective groups in peptide synthesis |
| 08/14/1990 | CA2009992A1 2-amino-7-hydroxytetralin carboxyalkyl ethers |
| 08/07/1990 | US4946971 Blocking agent |
| 05/29/1990 | CA1269667A1 .alpha.-SUBSTITUTED 3,3,3-TRIFLUORO-2,2-DICHLORO-1- PROPANOLS AND THE PREPARATION THEREOF |
| 03/13/1990 | US4908469 2-Hydroxy-propanoic acid acyclic alkyl esters for benzothiazepines |
| 01/30/1990 | CA1265130A1 Process of selectively blocking amino groups |
| 01/02/1990 | US4891430 Process for synthesizing active esters of carboxylic acids, new alpha-halogenated carbonates which are useful for this synthesis and the method of producing them |
| 12/19/1989 | US4888385 BOP reagent for solid phase peptide synthesis |
| 11/23/1989 | EP0342902A2 2-Hydroxy-propanoic acid acyclic alkyl esters for benzothiazepines |
| 09/13/1989 | EP0331988A1 Sulfonium compounds, as well as process for producing active esters and amides used for the production of amides |
| 07/05/1989 | EP0322973A2 Method of preparing optically active cyanohydrin derivatives and their conversion products, and optically active compounds to be obtained in this manner |
| 05/23/1989 | US4832697 Hair dye preparations containing substantive nitrodiphenylamine derivatives |
| 01/31/1989 | US4801719 Silanes, process for their preparation, and their use |
| 01/18/1989 | EP0298982A1 Protecting groups for organic synthesis. |
| 11/30/1988 | EP0293073A1 Chroman-6-sulphonyl derivatives |
| 11/29/1988 | US4788282 Carbapenicillins |
| 11/08/1988 | CA1244452A1 .alpha.-CHLORINATED CARBONATES, THEIR METHOD OF MANUFACTURE AND APPLICATION IN THE PROTECTION OF THE AMINE FUNCTIONS OF AMINO ACIDS |
| 11/02/1988 | EP0289353A2 Modified BOP reagent for solid phase peptide synthesis |
| 11/01/1988 | US4782164 Reaction of acid with active carbonate |
| 09/21/1988 | EP0282749A1 Hair dyeing compositions containing direct nitrodiphenylamine derivatives |
| 04/20/1988 | EP0264063A2 Reagent for removing protective groups in peptide synthesis |
| 01/07/1988 | EP0250955A1 Process for the preparation of 2-aminoethane sulphon amide |
| 10/22/1987 | WO1987005906A3 Protecting groups for organic synthesis |
| 10/08/1987 | WO1987005906A2 Protecting groups for organic synthesis |
| 09/22/1987 | US4695643 Silanes, process for their preparation, and their use |
| 04/15/1987 | EP0217804A1 Analogs of substances p. |
| 03/24/1987 | US4652665 Block amine function of amino acids; peptide synthesis |
| 02/04/1987 | CN86103521A Deprotection of allylic esters and ethers |
| 01/24/1987 | CN85101227A Process for the preparation of alpha-chlorinated carbonates and application |
| 01/20/1987 | US4637902 Base precursors |
| 01/07/1987 | EP0207415A1 Coupling reagent, method for its preparation and its use |
| 10/08/1986 | EP0196454A1 Process for removing an amino protecting group |
| 07/31/1986 | WO1986003495A3 Derivatives of substances p and of fragments thereof |
| 06/25/1986 | EP0185578A1 Process for the preparation of active carboxylic-acid esters, alpha-halogenated carbonates useful for this preparation and their preparation |
| 06/19/1986 | WO1986003495A2 Derivatives of substances p and of fragments thereof |
| 04/09/1986 | EP0177454A2 Silanes, process for their preparation and their use |
| 01/14/1986 | US4564471 N-/benzyloxycarbonyl/aspartylphenylalanine |
| 10/09/1985 | EP0157739A1 Substituted 1-propanoles, process for their production, chloroformic-acid esters ad their use |
| 09/11/1985 | EP0154581A1 Alpha-chlorinated carbonates, process for their preparation and their application to the protection of aminic functions in amino acids |
| 08/27/1985 | US4537713 Process for the reduction of reducible groups and its use |
| 03/19/1985 | CA1184195A1 Process for preparing tert-butyl ether or ether containing polyfunctional organic compounds |
| 12/05/1984 | EP0127114A1 Process for the cleavage of phthalimides |
| 11/27/1984 | US4485253 Dissolving in sulfuric acid and ether, and reaxting with excess isobutene |
| 10/03/1984 | EP0120402A1 Base precursor |
| 08/23/1983 | CA1152496A1 Method for reductive elimination of protecting groups |
| 04/05/1983 | CA1144155A1 Process for removing an allylic group from allylic esters, carbonates and carbamates |
| 12/15/1982 | EP0066856A1 Process for the preparation of polyfunctional organic compounds with at least one tert. butyl ether group or one tert. butyl ester group |
| 12/08/1982 | EP0066103A1 Process for the reduction of reducible groups, and its application |
| 11/17/1982 | EP0013663B1 Process for removing an allylic group from allylic esters, carbonates and carbamates |
| 02/09/1982 | US4314942 Deprotection of allylic esters, carbonates and carbamates catalyzed by palladium compounds |
| 10/07/1981 | EP0037373A1 Process for the elimination of alkyl and alkenyl groups |
| 04/22/1981 | EP0027319A2 Method for reductive elimination of protecting groups and preparative process using such method |
| 02/17/1981 | US4251657 Deacylation of a halogenoacetylamino compound using an n-substituted dithiocarbamic acid |
| 07/23/1980 | EP0013663A1 Process for removing an allylic group from allylic esters, carbonates and carbamates |
| 04/29/1980 | CA1076606A1 Synthesis of vicinal glycols |
| 04/22/1980 | CA1076108A1 Process for the separation and/or purification of oligo- and polyhydroxy compounds |
| 03/25/1980 | CA1074300A1 Method for removal of thiol-protecting groups |
| 10/23/1979 | US4172195 Blocking |
| 06/27/1979 | EP0002586A1 Method for removing a halogenoacetyl protective group from a halogenoacetyl amino compound |