75529-48-5

Upstream product

• 5675-13-8 trans-cyclohexa-3,5-diene-1,2-dicarboxylic acid 
• 22919-28-4 3,5-cyclohexadiene-1,2-trans-dicarboxylic acid 

Downstream Products

• 86814-84-8 (10R*,11R*)-10,11-Bis<(methylsulfonyloxy)methyl>-4-phenyl-2,4,6-triazatricyclo<5.2.2.0^2,6>undec-8-en-3,5-dion 
• 86814-88-2 (8R*,9R*)-8,9-Bis<(methylsulfonyloxy)methyl>-4-phenyl-2,4,6-triazatricyclo<5.2.2.0^2,6>undecan-3,5-dion 
• 86814-94-0 6,14-Diphenyl-4,6,8,12,14,16-hexaazapentacyclo<9.5.2.0^2,10.0^4,8.0^12,16>octadec-2(10)-en-5,7,13,15-tetron 
• 86814-92-8 6-Methyl-14-phenyl-4,6,8,12,14,16-hexaazapentacyclo<9.5.2.0^2,10.0^4,8.0^12,16>octadeca-2(10),17-dien-5,7,13,15-tetron 
• 86814-95-1 10,12-Dioxo-11-phenyl-9,11,13-triazatetracyclo<6.5.2.0^2,7.0^9,13>pentadec-2(7)-en-4,4,5,5-tetracarbonitril 
• 86814-87-1 (8R*,9R*)-8,9-Bis(hydroxymethyl)-4-phenyl-2,4,6-triazatricyclo<5.2.2.0^2,6>undecan-3,5-dion 
• 86814-93-9 8,9-Dimethylen-4-phenyl-2,4,6-triazatricyclo<5.2.2.0^2,6>undecan-3,5-dion 
• 86814-89-3 10,11-Dimethylen-4-phenyl-2,4,6-triazatricyclo<5.2.2.0^2,6>undec-8-en-3,5-dion 
• 86814-83-7 (10R*,11R*)-10,11-Bis(hydroxymethyl)-4-phenyl-2,4,6-triazatricyclo<5.2.2.0^2,6>undec-8-en-3,5-dion 

Relevant academic research and scientific papers

SILICIUMORGANISCHE VERBINDUNGEN. LXXIII. HYDRIERTE 2,4-DIOXA-SILEPINE, -SILOCINE UND -SILONINE

Silylation of the diols I-V with hexamethylcyclotrisilazane (VI) leads to the 3,3-dimethyl derivatives of hydrogenated 2,4-dioxa-cis- (VII) and -trans-benzo-(VIII), -cyclohexene- (IX), -cyclohexadieno- (X) and -naphtho-3-silepines (XI).The diols XVIII and

Fragmentation Patterns in the Gas-Phase Pyrolysis of Some Bi- and Tri-cyclic Sulfolanes Related to the 8-Thiabicyclonon-3-ene 8,8-Dioxide Ring System

Depending upon the degree of ring strain, the thermal breakdown of cis-8-thiabicyclonon-3-ene 8,8-dioxide 5 and related ring systems in the gas phase follows widely differing pathways.Decomposition of 5 occurs only under forcing conditions, resulting in complete fragmentation of the sulfolane ring to give a benzene and toluene, while pyrolysis of the 2,5-bridged analogues 6-8 proceeds by a retro-Diels-Alder reaction at much lower temperatures to give 1,3-dienes and the decomposition products of 3-sulfolene, buta-1,3-diene and SO2.Epoxidation of the double bond in the compounds results in a marked change in their thermal fragmentation behaviour; only SO2 is lost to produce novel divinyl epoxides.The corresponding N-ethoxycarbonylaziridines, formed by photolysis of the unsaturated sulfones in ethyl azidoformate, undergo extensive decomposition on pyrolysis and do not yield any useful products.The saturated sulfone 28 gives an expected octa-1,7-diene upon flash vacuum pyrolysis (FVP), but only under relatively severe conditions.Three isomeric diene sulfones 30-32 have also been examined and show a varied pattern of reactivity under FVP conditions.