Carbene-Carbene Rearrangements: Evidence for a Cyclopropene Intermediate
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In our eReader you can find the full English version of the book. Read Carbene-Carbene Rearrangements: Evidence for a Cyclopropene Intermediate 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 Carbene-Carbene Rearrangements: Evidence for a Cyclopropene Intermediate
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Solvent was removed. No trace of adduct 4_4 was indicated by nmr or tic (benzene) of the residue.
106 Low Temperature Photolysis of the Sodium Salt oi: 5/7- Dibenzo [a, clcyclohepten-5-one Tosylhydrazone (41^') in the Presence of Diethylamine .--a) 5//-Dibenzo [a, c] cyclohepten- 5-one tosylhydrazone sodium salt (41^') (0.20 g, 0.50 mniol) and diethylamine (2.50 g, 34. mmol , distilled from LAII) were mixed in 20 ml dry tetrahydrofuran. The solution was photol- yzed 45 minutes at -60°. The reac...tion mixture was warmed to room temperature, and the sodium toluenesulf inate dihydrate^^ (0.074 g, 0.35 mmol, 69% yield) was filtered off.
Solvents were removed, and the H-nmr spectrum of the residue gave no indication of the presence of a diethylamine addi- tion product (no ethyl signal) . Both nmr and tic of the product mixture were similar to those of reaction mixtures from photolysis of £1' in the absence of trapping reagents or in the presence of ineffective traps such as styrene or dimethyl f umarate .
What to read after Carbene-Carbene Rearrangements: Evidence for a Cyclopropene Intermediate?
You can find similar books in the "Read Also" column, or choose other free books by Coburn, Thomas Tyler, 1943- to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Solvent was removed. No trace of adduct 4_4 was indicated by nmr or tic (benzene) of the residue.
106 Low Temperature Photolysis of the Sodium Salt oi: 5/7- Dibenzo [a, clcyclohepten-5-one Tosylhydrazone (41^') in the Presence of Diethylamine .--a) 5//-Dibenzo [a, c] cyclohepten- 5-one tosylhydrazone sodium salt (41^') (0.20 g, 0.50 mniol) and diethylamine (2.50 g, 34. mmol , distilled from LAII) were mixed in 20 ml dry tetrahydrofuran. The solution was photol- yzed 45 minutes at -60°. The reac...tion mixture was warmed to room temperature, and the sodium toluenesulf inate dihydrate^^ (0.074 g, 0.35 mmol, 69% yield) was filtered off.
Solvents were removed, and the H-nmr spectrum of the residue gave no indication of the presence of a diethylamine addi- tion product (no ethyl signal) . Both nmr and tic of the product mixture were similar to those of reaction mixtures from photolysis of £1' in the absence of trapping reagents or in the presence of ineffective traps such as styrene or dimethyl f umarate .
What to read after Carbene-Carbene Rearrangements: Evidence for a Cyclopropene Intermediate?
You can find similar books in the "Read Also" column, or choose other free books by Coburn, Thomas Tyler, 1943- to read onlineMoreLess
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