in ethyl acetate T=-70 - -65°C; 12 h; Irradiation;

in solid matrix T=-269.2 - -248.2°C; Irradiationirradiation with 248 nm, subsequent bleaching with 254- and 313 nm light destroys part of products; also with isotopomers; Product distributionMechanism;

T=850°C; detection on argon matrix, 10 K; Product distribution;

hydrogen; palladium on activated charcoal

in solid matrix T=-269.2 - -248.2°C; Irradiationirradiation with 248 nm, subsequent bleaching with 254- and 313 nm light destroys part of products; also with isotopomers; Product distributionMechanism;

T=850°C; detection on argon matrix, 10 K; Product distribution;

1: 96 percent / H2 / 10percent Pd/C 2: 1.175 gradC, 2. Ac2O, 200 gradC View Scheme

1: 96 percent / LiAlH4 / tetrahydrofuran / 1) 0 deg C, 0.5 h, 2) reflux, 72 h 2: pyridinium dichromate, oxalic acid / CH2Cl2 / 4 h / Ambient temperature View Scheme

1: 15 percent / LiAlH4 / tetrahydrofuran / 48 h / Heating 2: 1.) NaH / 1.) THF, 30 min, 2.) THF, 2 h 3: 1.) (COCl)2, DMSO, 2.) Et3N / 1.) CH2Cl2, -78 deg C, 2 h, 2.) 2.) CH2Cl2, from -78 deg C to RT, 75 min 4: 78 percent / LiBH4 / tetrahydrofuran / 0.5 h / 20 °C 5: 86 percent / LiCl, MsCl, s-collidine / dimethylformamide / 2 h / 0 - 20 °C 6: 79 percent / tetrahydrofuran / 12 h / Ambient temperature 7: 91 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 3 h / 20 °C 8: 73 percent / TPAP, NMO, 4 Angstroem sieves / CH2Cl2 / 3 h 9: 85 percent / tetrahydrofuran; hexane / 2 h / 0 - 20 °C View Scheme

1: 87 percent / Dimethylaminopyridine / tetrahydrofuran / 18 h / Ambient temperature 2: CCl4 / 23 h / Heating View Scheme