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BIOSYNTHESIS OF VITAMIN B12: IDENTITY OF FRAGMENT EXTRUDED DURING RING CONTRACTION TO THE CORRIN MACROCYCLEBATTERSBY AR; BUSHELL MJ; JONES C et al.1981; PROC. NATL. ACAD. SCI. USA, PHYS. SCI.; ISSN 0273-1142; USA; DA. 1981; VOL. 78; NO 1; PP. 13-15; BIBL. 14 REF.Article

RING CONTRACTION VIA A FAVORSKII-TYPE REARRANGEMENT: CYCLOUNDECANONE.WOHLLEBE J; GARBISCH EW JR.1977; ORGAN. SYNTHESES; U.S.A.; DA. 1977; VOL. 56; PP. 107-111; BIBL. 8 REF.Article

THE MECHANISMS OF CARBONIUM ION REARRANGEMENTS OF TRICYCLOUNDECANES ELUCIDATED BY EMPIRICAL FORCE FIELD CALCULATIONS.OSAWA E; AIGAMI K; TAKAISHI N et al.1977; J. AMER. CHEM. SOC.; U.S.A.; DA. 1977; VOL. 99; NO 16; PP. 5361-5393; BIBL. 52 REF.Article

A UNIQUE REARRANGEMENT OF 3,4-DIHYDRO-5H-1,3,4-BENZOTRIAZEPIN-5-ONES TO 3-METHYLAMINO-4 (3H)-QUINAZOLINONES.LEIBY RW; HEINDEL ND.1977; J. ORG. CHEM.; U.S.A.; DA. 1977; VOL. 42; NO 1; PP. 161-162; BIBL. 8 REF.Article

RING CONTRACTION OF HYDROPORPHINOID TO CORRINOID COMPLEXESRASETTI V; PFALTZ A; KRATKY C et al.1981; PROC. NATL. ACAD. SCI. USA, PHYS. SCI.; ISSN 0273-1142; USA; DA. 1981; VOL. 78; NO 1; PP. 16-19; BIBL. 14 REF.Article

DUAL PATHWAYS IN THE "REVERSED" ISOMERISATION OF HUMULONEDE TAEYE L; DE KEUKELEIRE D; VERZELE M et al.1979; CHEM. AND INDUSTRY; GBR; DA. 1979; NO 4; PP. 127-128; BIBL. 13 REF.Article

ONE-STEP SYNTHESIS OF THE DITERPENOID LEUCOTHOL D FROM GRAYANOTOXIN-IIKAIYA T; SHIRAI N; SAKAKIBARA J et al.1979; J. CHEM. SOC., CHEM. COMMUNIC.; GBR; DA. 1979; NO 9; PP. 431-432; BIBL. 4 REF.Article

9-DEAZAPURINE AUS PYRIMIDO (4,5-B) (1.4) THIAZINEN. = DESAZA-9 PURINES A PARTIR DE PYRIMIDO (4,5-B) THIAZINES-1,4FENNER H; MOTSCHALL A.1978; ARCH. PHARM.; DTSCH.; DA. 1978; VOL. 311; NO 2; PP. 153-161; ABS. ANGL.; BIBL. 16 REF.Article

SYNTHESIS VIA CHLOROKETENE ADDUCTS. SYNTHESIS OF DEMETHYLSESQUICARENE.HARDING KE; TROTTER JW.1977; J. ORG. CHEM.; U.S.A.; DA. 1977; VOL. 42; NO 25; PP. 4157-4159; BIBL. 12 REF.Article

SYNTHETIC STUDIES RELATED TO 1,4-DITHIOCIN.EGGELTE HJ; BICKELHAUPT F.1977; TETRAHEDRON; G.B.; DA. 1977; VOL. 33; NO 16; PP. 2151-2156; BIBL. 28 REF.Article

CONTRACTION DE L'HETEROCYCLE DANS LA DIAZO-1 ANTHRAPYRIDINEKAZANKOV MV; MAKSHANOVA NP; KUZNETSOVA EG et al.1977; KHIM. GETEROCIKL. SOEDIN., LATV. S.S.R.; S.S.S.R.; DA. 1977; NO 8; PP. 1103-1105; BIBL. 6 REF.Article

ACID-CATALYSED RING CONTRACTION OF STEROIDAL 1ALPHA ,2ALPHA -EPOXY-4-EN-3-ONES.MAIONE AM; TORRINI I; ROMEO A et al.1976; J. CHEM. SOC., PERKIN TRANS., 1; G.B.; DA. 1976; NO 22; PP. 2363-2364; BIBL. 4 REF.Article

HYDROXYLAMINE-O-SULFONIC ACID - A VERSATILE SYNTHETIC REAGENTWALLACE RG.1980; ALDRICHIM. ACTA; USA; DA. 1980; VOL. 13; NO 1; PP. 3-11; BIBL. 75 REF.Article

SYNTHESE VIELGLIEDRIGER KOHLENWASSERSTOFFRINGE DURCH MEHRFACHE RINGKONTRAKTION VIA SULFONPYROLYSE. = SYNTHESE D'HYDROCARBURES A PLUSIEURS NOYAUX PAR CONTRACTION DE CYCLE MULTIPLE VIA UNE PYROLYSE DE SULFONEGRUTZE J; VOGTLE F.1977; CHEM. BER.; DTSCH.; DA. 1977; VOL. 110; NO 5; PP. 1978-1993; ABS. ANGL.; BIBL. 16 REF.Article

SYNTHESIS AND PYROLYTIC DECARBONYLATION OF 4-CYCLOPENTENE-1,2,3-TRIONE.KASAI M; ODA M; KITAHARA Y et al.1978; CHEM. LETTERS; JAP.; DA. 1978; NO 2; PP. 217-218Article

INVESTIGATIONS IN THE CYCLOBUTANE SERIES. XLIV. RING CONTRACTION OF 8-DIAZO-EXOBENZO (C) TRICYCLO (4.2.1.02,5) NON-3-EN-7-ONE ON PHOTOLYSIS.ENESCU L; AVRAM M.1977; REV. ROUMAINE CHIM.; ROUMAN.; DA. 1977; VOL. 22; NO 7; PP. 1061-1067; BIBL. 13 REF.Article

RING CONTRACTION AND OTHER REACTIONS OF AZIDOBENZENE- AND AZIDOTOLUENE-TRICARBONYLMANGANESE CATIONSMUNRO GAM; PAUSON PL.1978; J. ORGANOMETAL. CHEM.; CHE; DA. 1978; VOL. 160; NO 1; PP. 177-181; BIBL. 8 REF.Article

PHOTOCHEMICAL RING-CONTRACTION REACTIONS OF BENZ (D)-3,1-OXAZEPINES HAVING NO SUBSTITUENT AT THE 5-POSITION TO INDOLE-3-CARBOXALDEHYDES.KANEKO C; KITAMURA R.1977; HETEROCYCLES; JAP.; DA. 1977; VOL. 6; NO 2; PP. 111-115; BIBL. 15 REF.Article

AN IMPROVED SYNTHESIS OF BICYCLO (2,1,1) HEXANE-1-CARBOXYLIC ACIDABEYWICKREMA RS; DELLA EW.1980; ORG. PREP. PROCED. INT.; ISSN 0030-4948; USA; DA. 1980; VOL. 12; NO 6; PP. 357-360; BIBL. 5 REF.Article

MECANISMES POSSIBLES D'ISOMERISATION DU CYCLOHEXENE EN METHYLCYCLOPENTENESMUSAEV MR; MIRZOEV SM.1978; AKAD. NAUK AZERBAJDZH. S.S.R., DOKL.; SUN; DA. 1978; VOL. 34; NO 8; PP. 46-48; ABS. AZE/ENG; BIBL. 16 REF.Article

COMPOSES ALICYCLIQUES PAR CONTRACTION DE CYCLESASAKI T.1977; J. SYNTHET. ORGAN. CHEM. JAP.; JAP.; DA. 1977; VOL. 35; NO 12; PP. 992-1008; ABS. ANGL.; BIBL. 3 P.Article

An unusual ring contraction in the formation of N-nitrosohexamethyleneimine and N-nitrosopiperidine from tolazamideESHRAGHI, J; LONGO, J; DALTON, D. R et al.Japanese journal of cancer research. 1990, Vol 81, Num 4, pp 324-326, issn 0910-5050Article

Regioselective Photochemical Rearrangement of N-MesyloxylactamsPICHETTE, Simon; AUBERT-NICOL, Samuel; LESSARD, Jean et al.European journal of organic chemistry (Print). 2012, Num 7, pp 1328-1335, issn 1434-193X, 8 p.Article

Aziridines in one step from hydantoins via Red-Al mediated ring-contractionVON KIESERITZKY, Fredrik; LINDSTRÖM, Johan.Tetrahedron letters. 2011, Vol 52, Num 35, issn 0040-4039, 4504, 4558-4561 [5 p.]Article

Conversion of methylcyclohexane over Ir/H-β zeolite in the presence of hydrogenSUGII, Takeshi; KAMIYA, Yuichi; OKUHARA, Toshio et al.Applied catalysis. A, General. 2006, Vol 312, pp 45-51, issn 0926-860X, 7 p.Article

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