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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

Ring opening of decalin and tetralin on HY and Pt/HY zeolite catalystsSANTIKUNAPORN, Malee; HERRERA, Jose E; JONGPATIWUT, Siriporn et al.Journal of catalysis (Print). 2004, Vol 228, Num 1, pp 100-113, issn 0021-9517, 14 p.Article

Ring contraction and selective ring opening of naphthenic molecules for octane number improvementSANTIKUNAPORN, Malee; ALVAREZ, Walter E; RESASCO, Daniel E et al.Applied catalysis. A, General. 2007, Vol 325, Num 1, pp 175-187, issn 0926-860X, 13 p.Article

Chemical transformations in the quassinoid series: novel copper(II)-mediated ring contraction of δ-lactones to γ-lactones. A synthetic entry into the samaderinsINANAGA, J; SASAKI, S; GRIECO, P. A et al.Journal of the American Chemical Society. 1985, Vol 107, Num 16, pp 4800-4802, issn 0002-7863Article

Photochemical rearrangement of mortonin CSANCHEZ, A; MARTINEZ, M; RODRIGUEZ-HAHN, L et al.Tetrahedron (Oxford. Print). 1984, Vol 40, Num 6, pp 1005-1008, issn 0040-4020Article

Neighbouring group participation in the reaction of 7-oxo-ent-kaur-16-ene derivatives with diacetoxyiodobenzene. Synthesis of gibberellin analoguesFRAGA, Braulio M; BRESSA, Carlo; GONZALEZ-VALLEJO, Victoria et al.Tetrahedron letters. 2011, Vol 52, Num 52, issn 0040-4039, 7018, 7138-7140 [4 p.]Article

Unexpected formation of oxetanes from a geminal difluorinated δ-lactoneCSUK, René; PRELL, Erik.Tetrahedron (Oxford. Print). 2010, Vol 66, Num 6, issn 0040-4020, 1124, 1313-1318 [7 p.]Article

Approches vers la synthèse de la partie aglycone de l'esperamicine-A1 et de la calicheamicine gamma 1I = Synthesis of the bicyclic core structure of esperamicin-A1 and calicheamicin gamma 1IAudrain, Hélène; Grierson, D.1994, 217 p.Thesis

Synthesis of 17α-hydroxy steroids : B-norepitestosteroneKASAL, A.Collection of Czechoslovak chemical communications. 1993, Vol 58, Num 9, pp 2202-2210, issn 0010-0765Article

Kondensierte 1,2-dithiole. II: Synthese von Thieno-1,2-dithiolen = Ring-fused 1,2-dithioles, II. Synthesis of thieno-1,2-dithiolesSTACHEL, H.-D; SCHORP, M; ZOUKAS, T et al.Liebigs Annalen der Chemie. 1992, Num 10, pp 1039-1044, issn 0170-2041Article

The ElcB mechanism in the alkaline hydrolysis of N,N-diethyl-P-(3,5-dimethyl-4-hydroxyphenyl)phosphonamidic chlorideCEVASCO, G; THEA, S.Journal of organic chemistry. 1991, Vol 56, Num 1, pp 72-74, issn 0022-3263, 3 p.Article

Encapsulation of molecular hydrogen in fullerene C60 by organic synthesisKOMATSU, Koichi; MURATA, Michihisa; MURATA, Yasujiro et al.Science (Washington, D.C.). 2005, Vol 307, Num 5707, pp 238-240, issn 0036-8075, 3 p.Article

Photoinduced molecular transformations. CXXVI: Photo-double ring contraction of 4a-homo-5α-cholest-3-en-1-one, a steroidal β,γ-unsaturated cyclic ketone, involving photochemical 1,3-acyl migrationSUGINOME, H; TAKEMURA, M; SHIMOYAMA, N et al.Journal of the Chemical Society. Perkin transactions. I. 1991, Num 11, pp 2721-2723, issn 0300-922XArticle

Photolysis of α-diazocyclopentanones. Ring contraction to functionalised cyclobutanes and synthesis of junionone, grandisol and planococcyl acetateARUN GHOSH; BANERJEE, U. K; VENKATESWARAN, R. V et al.Tetrahedron (Oxford. Print). 1990, Vol 46, Num 8, pp 3077-3088, issn 0040-4020, 12 p.Article

Isolation of keto-sphenylthioxime of [23]cyclophane-1,2-dione. Re-visited contraction of 1,2,5-thiadiazole ring incorporated in a [23]cyclophane bridge by phenylmagnesium bromideHATTA, T; MATAKA, S; TASHIRO, M et al.Journal of heterocyclic chemistry. 1990, Vol 27, Num 7, pp 1861-1865, issn 0022-152XArticle

Ring conversion of 2-amino-4,5-dihydro-3-furancarbonitriles catalyzed by halide ionsYAMAGATA, K; MARUOKA, H; HASHIMOTO, Y et al.Heterocycles (Sendai). 1989, Vol 29, Num 1, pp 5-9, issn 0385-5414Article

The conformation of some site-specific inhibitors of the ring contraction step in gibberellin plant hormone biosynthesisBAYNHAM, M. K; DICKINSON, J. M; HANSON, J. R et al.Journal of the Chemical Society. Perkin transactions. I. 1988, Num 6, pp 1455-1460, issn 0300-922XArticle

Contraction of the tropolonic ring of colchicine by hydrogen peroxide oxidationIORIO, M. A.Heterocycles (Sendai). 1984, Vol 22, Num 10, pp 2207-2211, issn 0385-5414Article

Selective brominative cyclization of polyenes assisted by acetonitrile. Application to the synthesis of acoratrieneKATO, T; MOCHIZUKI, M; HIRANO, T et al.Journal of the Chemical Society. Chemical communications. 1984, Num 16, pp 1077-1078, issn 0022-4936Article

A Novel Synthesis of Thioglycolurils by Ring Contraction of 5,7-Dialkyl-3-thioxoperhydroimidazo[4,5-e]-1,2,4-triazin-6-onesGAZIEVA, Galina A; POLUBOYAROV, Pavel A; POPOV, Leonid D et al.Synthesis (Stuttgart). 2012, Num 21, pp 3366-3370, issn 0039-7881, 5 p.Article

Ring contraction of 1,2,4-triazepino[2,3-a]benzimidazol-4-ones. New fused β-lactamsROMANO, C; DE LA CUESTA, E; AVENDANO, C et al.Journal of organic chemistry. 1991, Vol 56, Num 1, pp 74-78, issn 0022-3263, 5 p.Article

Saure Hydrolyse von 5-Phenyl-1,3,4-benzotriazepinen = Hydrolyse acide de phényl-5 benzotriazépines-1,3,4 = Acid hydrolysis of 5-phenyl-1,3,4-benzotriazepinesSCHLEUDER, M; BUTZKI, S; RICHTER, P et al.Pharmazie. 1984, Vol 39, Num 7, pp 505-506, issn 0031-7144Article

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