Criterii căutate


Sumarul căutării

  • 55 de articole
Tip Anul Publicație și Volum/Nr. Realizatori Titlul articolui Secțiunea Pagina Limba
articol de periodic 1965 Revue Roumaine de Chimie, 10-9 STOICESCU-CRIVĂȚ-LEONIA (autor) , CHIRIAC, Constantin (autor) , CARACULACU, Georgescu (autor) , ZUGRĂVESCU, I. (autor) Syntheses de polyamides par l'ouverture de cycle oxazolonique 917-922
articol de periodic 1967 Revue Roumaine de Chimie, 12-12 CHIRIAC, Constantin (autor) , STOICESCU-CRIVETZ, L. (autor) , ZUGRĂVESCU, I. (autor) Polypyrazoles-amides 1489-1493
articol de periodic 1970 Revue Roumaine de Chimie, 15-5 CHIRIAC, Constantin (autor) , ZUGRĂVESCU, I. (autor) Pyrazoles. I. N-arylation des pyrazoles avec des derives chlorures aromatiques actives par les groupements nitro 789-798
articol de periodic 1970 Revue Roumaine de Chimie, 15-7 CHIRIAC, Constantin (autor) , ZUGRĂVESCU, Ion (autor) Pyarazoles II. Aminolyse des 1.(2,4-dinitrophenyl)-pyrazoles 1065-1076
articol de periodic 1970 Revue Roumaine de Chimie, 15-8 CHIRIAC, Constantin (autor) , ZUGRĂVESCU, I. (autor) Pyrazoles. III. N-arylation des N-acylpyrazoles avec le chlorure de picryle 1201-1205
articol de periodic 1979 Revue Roumaine de Chimie, 24-4 CHIRIAC, Constantin (autor) A new synthesia of amides by direct condensation reaction 609-612
articol de periodic 1980 Revue Roumaine de Chimie, 25-3 CHIRIAC, Constantin (autor) Dehydrations with chlorosulfonic acid in pyridine a convenient method for the synthesis of amides 403-405
articol de periodic 1981 Revue Roumaine de Chimie, 26-7 CHIRIAC, Constantin (autor) A convenient new method for synthesis of aromatic amides under mild conditions 1001-1004
articol de periodic 1982 Revue Roumaine de Chimie, 27-3 CHIRIAC, Constantin (autor) A new synthesis of hydrazides by a direct condensation reaction 411-414
articol de periodic 1982 Revue Roumaine de Chimie, 27-4 CHIRIAC, Constantin (autor) Aromatic esters by a new direct condensation reaction using triaryl borates 533-536
articol de periodic 1982 Revue Roumaine de Chimie, 27-5 CHIRIAC, Constantin (autor) A new method for the preparation of triaryl-s-triazoles from diaroylhydrazines 645-649
articol de periodic 1982 Revue Roumaine de Chimie, 27-6 CHIRIAC, Constantin (autor) A new method for the synthesis of aromatic amides directly from acids 747-750
articol de periodic 1982 Revue Roumaine de Chimie, 27-7 CHIRIAC, Constantin (autor) Aromatic esters by a new direct condensation reaction 831-834
articol de periodic 1982 Revue Roumaine de Chimie, 27-8 CHIRIAC, Constantin (autor) Cyclodehydrations with phenyldichlorophosphite-dimethylformamide. A new conventient method for the synthesis of 1,3,4-oxadiazoles from diaroylhydrazines 935-938
articol de periodic 1983 Revue Roumaine de Chimie, 28-1 CHIRIAC, Constantin (autor) Phenyldichlorophosphite-dimethylformamide. A new reagent for dehydrating aromatic primary amides under mild conditions 33-36
articol de periodic 1983 Revue Roumaine de Chimie, 28-1 CHIRIAC, Constantin (autor) A new convenient method for synthesis of benzoxazoles by a direct condensation reaction 37-39
articol de periodic 1983 Revue Roumaine de Chimie, 28-11-12 CHIRIAC, Constantin (autor) Triaryl-s-triazoles from diaroylhydrazines by a new direct condensation reactions 977-980
articol de periodic 1983 Revue Roumaine de Chimie, 28-7 CHIRIAC, Constantin (autor) A new synthesis of aromatic esters by a direct condensation reaction 737-739
articol de periodic 1983 Revue Roumaine de Chimie, 28-8 CHIRIAC, Constantin (autor) Ethylene chlorophosphide as a new reagent for aromatic amide synthesis by a rect condensation reaction under very mild conditions 863-866
articol de periodic 1984 Revue Roumaine de Chimie, 29-2 CHIRIAC, Constantin (autor) A new convenient method for the synthesis of aromatic hydrazides directly from acids using rthylene chlorophosphite as reagent 219-222
articol de periodic 1984 Revue Roumaine de Chimie, 29-4 CHIRIAC, Constantin (autor) Synthesis of aromatic thioreas under mild conditions using a new condensation reaction 329-331
articol de periodic 1985 Revue Roumaine de Chimie, 30-4 CHIRIAC, Constantin (autor) A convenient one-step conversion of aromatic aldehydes into nitiles 353-355
articol de periodic 1985 Revue Roumaine de Chimie, 30-8 CHIRIAC, Constantin (autor) Esters from N-acylphthalimides and phenols 753-755
articol de periodic 1985 Revue Roumaine de Chimie, 30-9-10 CHIRIAC, Constantin (autor) Synthesis of amides by a new direct consensation reaction 799-802
articol de periodic 1986 Revue Roumaine de Chimie, 31-1 CHIRIAC, Constantin (autor) A convenient method for the synthesis of 1,3,4-oxadiazoles from diaroyldrazines under mild conditions using photosphorus trichloride-dimethylformamide adduct as reagent 51-55
articol de periodic 1986 Revue Roumaine de Chimie, 31-2 CHIRIAC, Constantin (autor) Phosphous acid-iodine as reagent for the synthesis of 1,3,4-oxadiazoles from diacylhydrazines 159-162
articol de periodic 1986 Revue Roumaine de Chimie, 31-5 CHIRIAC, Constantin (autor) Amides from N-acylphthalimides and aliphatic amines 525-527
articol de periodic 1986 Revue Roumaine de Chimie, 31-6 CHIRIAC, Constantin (autor) Syntheses of aromatic thioureas 625-627
articol de periodic 1987 Revue Roumaine de Chimie, 32-1 CHIRIAC, Constantin (autor) A new synthesis of aromatic ureas from carbon dioxide and diamines using ethylene chlorophosphite in pyridine as reagent 29-31
articol de periodic 1987 Revue Roumaine de Chimie, 32-2 CHIRIAC, Constantin (autor) Dimethyldichlorosilane as reagement for the synthesis of 1,3,4-oxadiazoles from diaroylhydrazines 223-226
articol de periodic 1987 Revue Roumaine de Chimie, 32-8 CHIRIAC, Constantin (autor) N-aroylphthalimides by a new direct condensation reaction 793-796
articol de periodic 1993 Revue Roumaine de Chimie, 38-11 CHIRIAC, Constantin (autor) , TOMA, Ovidiu (autor) , CHIRIAC, Florentina (autor) , TUSCAN, Ion (autor) , LUPU, Viorel (autor) , ROPOT, Radu (autor) Direct synthesis of amides from carboxylic acids and amines with phenyldichlorophosphine as reagent in aqueous medium 1327-1331
articol de periodic 1994 Revue Roumaine de Chimie, 39-12 CHIRIAC, Constantin (autor) , TOMA, Ovidiu (autor) , CHIRIAC, Fklorentina (autor) , LUPU, Viorel (autor) , ROPOT, Radu (autor) , TRUSCAN, Ion (autor) N-arylation of pyrazoles with activated aryl ethers 1431-1433
articol de periodic 1995 Revue Roumaine de Chimie, 40-11-12 CHIRIAC, Constantin (autor) , SAVA, Mitică (autor) , ȚÎBÎRNĂ, Mihaela (autor) , CHIRIAC, Florentina (autor) , ROPOT, Radu (autor) , ONCIU, Marioara (autor) , LUPU, Viorel (autor) , TRUȘCAN, Ion (autor) Aromatic nucleophilic substitution reactions of 2,4-dinitrobenzenesulfonic acid sodium-salt with aliphatic amides 1197-1200
articol de periodic 1995 Revue Roumaine de Chimie, 40-6 CHIRIAC, Constantin (autor) , LUPU, Viorel (autor) , CHIRIAC, Florentina (autor) , ROPOT, Radu (autor) , ȚĂBÎRNĂ, Mihaela (autor) , TRUȘCAN, Ion (autor) Aromatic nucleophilic substitution reactions of activated N-arylpyrazoles with formamides 549-553
articol de periodic 1998 Revue Roumaine de Chimie, 43-1 CHIRIAC, Constantin (autor) , ONCIU, Marioara (autor) , TIBIRNA, Mihaela (autor) , TĂNASĂ, Fulga (autor) , TUȘCAN, Ioan (autor) , ROPOT, Radu (autor) Synthesis of aromatic amides by a direct condensation reaction using phosphorous acid-iodine as reagent 31-33
articol de periodic 1998 Revue Roumaine de Chimie, 43-10 CHIRIAC, Constantin (autor) , ONCIU, Marioara (autor) , TĂNASĂ, Fulga (autor) , BĂDĂRĂU, Cristina (autor) , TRUȘCAN, Ion (autor) Triethyl phosphite-p-dimethylaminopyridine, a new reagent for direct syntheses of amides from aliphatic carboxylic acids and amines 971-974
articol de periodic 1998 Revue Roumaine de Chimie, 43-11 CHIRIAC, Constantin (autor) , ONCIU, Marioara (autor) , TRUȘCAN, Ioan (autor) , TĂNASĂ, Fulga (autor) Synthesis of esters with aromatic structure from aromatic carboxylic acids and diphenyl carbonate 1065-1068
articol de periodic 1998 Revue Roumaine de Chimie, 43-2 ROPOT, Radu (autor) , TRUȘCAN, Ion (autor) , CHIRIAC, Constantin (autor) Direct synthesis of amides from carboxylic acids and amides with benzenesulfonyl chloride as reagent in aqueous medium 153-155
articol de periodic 1998 Revue Roumaine de Chimie, 43-6 ONCIU, Marioara (autor) , CHIRIAC, Constantin (autor) , AIRINEI, Anton (autor) , RADU, Stelian (autor) , RUSU, Elena (autor) Photosensitive copolyamides containing phenylenediacryloyl units in the main chain 537-540
articol de periodic 1998 Revue Roumaine de Chimie, 43-7 ONCIU, Marioara (autor) , CHIRIAC, Constantin (autor) , VLAD, Stelian (autor) , STOICA, Gheorghe (autor) , GRIGORIU, GEORGE (autor) , TIMPU, Daniel (autor) Photoreactive copoly(amide)s derived from 1,4-phenylenediacrylic acid and various bis(trimellitimide)s and dhsocyanates 641-648
articol de periodic 1999 Revue Roumaine de Chimie, 44-2 CHIRIAC, Constantin (autor) , ONCIU, Mărioara (autor) , TRUȘCAN, Ion (autor) , FULGA, Tănasă (autor) Synthesis of hydrazides by a direct condensation reaction using photosphorous acid-iodine as a reagent 143-146
articol de periodic 1999 Revue Roumaine de Chimie, 44-3 ONCIU, Marioara (autor) , CHIRIAC, Constantin (autor) , TIMPU, Daniel (autor) , IOAN, Cătălina (autor) , GRIGORIU, GEORGE (autor) Synthesis and photochemical reactions of main-chain polymers containing cinnamoyl groups 365-271
articol de periodic 2003 Revue Roumaine de Chimie, 48-11 TĂNASĂ, Fulga (autor) , ONCIU, Marioara (autor) , CHIRIAC, Constantin (autor) Syntheses of esters from carboxylic acids and diphenyl carbonate-4-dimethylaminopyridine at room temperature 869-872
articol de periodic 2005 Revue Roumaine de Chimie, 50-7-8 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , ONCIU, Marioara (autor) New boron reagents for designed organic synthesis. 2 627-631
articol de periodic 2006 Revue Roumaine de Chimie, 51-12 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) A novel synthetic pazhway for obtaining aromatic carboxylic esters starting from diaryl oxalates 1207-1209
articol de periodic 2006 Revue Roumaine de Chimie, 51-4 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , ONCIU, Marioara (autor) A new direct synthesis of aromatic amides in the presence of triephyl hosphite and 4-dimethylaminophyridine 269-272
articol de periodic 2007 Revue Roumaine de Chimie, 52-10 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) A new synthesis of cinnamic acids from aromatic aldehydes and b,n-dimethylacetamide hydrochloride 949-952
articol de periodic 2007 Revue Roumaine de Chimie, 52-8-9 CHIRIAC, Constantin (autor) , NECHIFOR, Marioara (autor) , TĂNASĂ, Fulga (autor) Formamide, a novel challenging reagent for the direct synthesis of non-n-substituted cyclic imides 883-886
articol de periodic 2008 Revue Roumaine de Chimie, 53-9 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) A new alternative method for the synthesis of cinnamic acids from aromatic aldehydes and zinc acetate 833-836
articol de periodic 2009 Revue Roumaine de Chimie, 54-11-12 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) A novel direct boron-mediated synthesis of cinnamic acids from aromatic aldehydes and aliphatic carboxylic acids 987-991
articol de periodic 2010 Revue Roumaine de Chimie, 55-3 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) A novel synthesis of 3,4,5-triaryl-1,2,4H-triazoles from 2,5-diaryl-1,3,4-oxadiazoles and aluminium anilides 175-177
articol de periodic 2011 Revue Roumaine de Chimie, 56-12 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) A new efficient one-pot synthesis of 2,5-diaryl-1,3,4-oxadiazoles 1113-1117
articol de periodic 2011 Revue Roumaine de Chimie, 56-4 CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) , NECHIFOR, Marioara (autor) Sodium tetraborate-dibenzo-18-crown ether-6 complex as reagent in the synthesis of cinnamic acids from aromatic aldehydes and aliphatic carboxylic acids 419-423
articol de periodic 2013 Revue Roumaine de Chimie, 58-2-3 NECHIFOR, Marioara (autor) , CHIRIAC, Constantin (autor) , TĂNASĂ, Fulga (autor) Sodium tetraborate/benzyltrirthylammonium chloride-metiated synthesis of substituted cinnamic acids from aromatic aldehydes and aliphatic carboxylic acids 161-164