Part I. Thermal "ene" Reactions of Cyclopropenes With Classical Eneophiles. Part Ii. Generation And Rearrangement of Cyclopropenyl Carbinyl Anions
Part I. Thermal "ene" Reactions of Cyclopropenes With Classical Eneophiles. Part Ii. Generation And Rearrangement of Cyclopropenyl Carbinyl Anions
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In our eReader you can find the full English version of the book. Read Part I. Thermal "ene" Reactions of Cyclopropenes With Classical Eneophiles. Part Ii. Generation And Rearrangement of Cyclopropenyl Carbinyl Anions Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Part I. Thermal "ene" Reactions of Cyclopropenes With Classical Eneophiles. Part Ii. Generation And Rearrangement of Cyclopropenyl Carbinyl Anions
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The residue (0.466 g, 66%) was dissolved in hot chloroform-petroleum ether and cooled to room temperature. The product was collected on a filter, washed with cold petroleum ether and air dried, yielding E , Z-l , 4 , 5-triphenyl-2 , 4-pentadienone (84) (0.135 g, 22%) as yellow needles, mp 132-134°. The mother liguor was evaporated and the residue dissolved in hot petroleum ether. The solution was chilled and the pre- 251 cipitate collected on a filter, washed with cold petroleum ether and air d...ried. E ,E , 1 , 4 , 5-triphenyl-2 , 4-pentadienone (85) (0.252 g, 41%) as yellow needles, mp 80-32°.
Anal. Calcd. for C„ H 10 0: C, 89.00; H, 5.84.
Found: C, 8 9.11; H, 5.84.
The nmr spectrum (CDC1 ) showed a multiplet at £7.95- 7.70 (2H) , a multiplet at 7.55-7.30 (13H), a doublet for H 3 at 8.15 (1H, J = 15.0 Hz), a singlet for H 5 at 7.00 (1H) and a doublet for H at 6.58 (1H, J = 15.0 Hz) .
The infrared spectrum (KBr) showed carbon-hydrogen stretching at 2920 (w) , carbonyl stretching at 1645 (s) and olefinic stretching at 1530 (s) along with other ab- sorptions at 1435 (m) , 1278 (s), 1215 (s), 1020 (s) , 930 (m) , 880 (m) , 791 (w) , 778 (m) , 763 (m) , 746 (m) , 708 (s) and 698 (s) cm The mass spectrum showed a prominent molecular ion at m/e 310 (82%) along with other abundant fragments at m/e 233 (60%), 206 (16%), 205 (base peak), 204 (27%), 203 (24%), 202 (18%), 178 (9%), 105 (77%) and 77 (50%).
What to read after Part I. Thermal "ene" Reactions of Cyclopropenes With Classical Eneophiles. Part Ii. Generation And Rearrangement of Cyclopropenyl Carbinyl Anions?
You can find similar books in the "Read Also" column, or choose other free books by Galley, Richard Allen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The residue (0.466 g, 66%) was dissolved in hot chloroform-petroleum ether and cooled to room temperature. The product was collected on a filter, washed with cold petroleum ether and air dried, yielding E , Z-l , 4 , 5-triphenyl-2 , 4-pentadienone (84) (0.135 g, 22%) as yellow needles, mp 132-134°. The mother liguor was evaporated and the residue dissolved in hot petroleum ether. The solution was chilled and the pre- 251 cipitate collected on a filter, washed with cold petroleum ether and air d...ried. E ,E , 1 , 4 , 5-triphenyl-2 , 4-pentadienone (85) (0.252 g, 41%) as yellow needles, mp 80-32°.
Anal. Calcd. for C„ H 10 0: C, 89.00; H, 5.84.
Found: C, 8 9.11; H, 5.84.
The nmr spectrum (CDC1 ) showed a multiplet at £7.95- 7.70 (2H) , a multiplet at 7.55-7.30 (13H), a doublet for H 3 at 8.15 (1H, J = 15.0 Hz), a singlet for H 5 at 7.00 (1H) and a doublet for H at 6.58 (1H, J = 15.0 Hz) .
The infrared spectrum (KBr) showed carbon-hydrogen stretching at 2920 (w) , carbonyl stretching at 1645 (s) and olefinic stretching at 1530 (s) along with other ab- sorptions at 1435 (m) , 1278 (s), 1215 (s), 1020 (s) , 930 (m) , 880 (m) , 791 (w) , 778 (m) , 763 (m) , 746 (m) , 708 (s) and 698 (s) cm The mass spectrum showed a prominent molecular ion at m/e 310 (82%) along with other abundant fragments at m/e 233 (60%), 206 (16%), 205 (base peak), 204 (27%), 203 (24%), 202 (18%), 178 (9%), 105 (77%) and 77 (50%).
What to read after Part I. Thermal "ene" Reactions of Cyclopropenes With Classical Eneophiles. Part Ii. Generation And Rearrangement of Cyclopropenyl Carbinyl Anions?
You can find similar books in the "Read Also" column, or choose other free books by Galley, Richard Allen to read onlineMoreLess
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