1 Electronic Supplementary Information From vinyl Pyranoses to Carbasugars by an iron-catalyzed Reaction complementary to Classical Ferrier Carbocyclisation Dinh Hung Mac, a Ramesh Samineni, a,b Julien Petrignet, a Pabbaraja Srihari, b Srivari Chandrasekhar, b Jhillu Singh Yadav,* b René Grée.* a a Université de Rennes 1, Laboratoire de Chimie et Photonique Moléculaires, CNRS UMR 6510, Avenue du General Leclerc, 35042 Rennes Cedex, France. b Indian Institute of Chemical Technology, 500607, Hyderabad, India. Supporting Information (11 pages) I General methods S 2 II Experimental procedures and characterizations S 3 II.1 Tetrahydro-6-vinylpyran-2-one (4a) S 2 II.2 Tetrahydro-6-((E)-prop-1-enyl)pyran-2-one(4b) S 3 II.3 Tetrahydro-6-styrylpyran-2-one(4c) S 4 II.4 Tetrahydro-6-vinyl-2H-pyran-2-ol (5a) S 4 II.5 Tetrahydro-6-(prop-1-enyl)-2H-pyran-2-ol (5b) S 5 II.6 Tetrahydro-6-styryl-2H-pyran-2-ol (5c) S 5 II.7 2-Methylcyclohex-2-enone (6a) S 6 II.8 2-Ethylcyclohex-2-enone (6b) S 6 II.9 2-Benzylcyclohex-2-enone (6c) S 7 II.10 (E)-Ethyl 3-(6-hydroxy-tetrahydro-2H-pyran-2-yl)acrylate (5d) S 7 II.11 Ethyl 2-(6-oxocyclohex-1-enyl)acetate (6d) S 8 II.12 (4S,5R,6S)-4,5,6-Tris(benzyloxy)-2-methylcyclohex-2-enone (9) S 9 II.13 (4S,5R,6S)-4,5,6-Trihydroxy-2-methylcyclohex-2-enone (10) S 10 II.14 (2S,3R,4S,6R)-2,3,4-tris(benzyloxy)-6-methylcyclohexanone (11) S 10 II.15 (2S,3R,4S,6R)-2,3,4-Trihydroxy-6-methylcyclohexanone (12) S 11 Supplementary Material (ESI) for Chemical Communications This journal is (c) The Royal Society of Chemistry 2009