1987
DOI: 10.1002/cber.19871200916
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Über die Ozonspaltung von Chloropren und von 2‐Chlor‐3‐methyl‐1,3‐butadien in Methanol

Abstract: Chloropren (la) und 2-Chlor-3-methyl-1,3-butadien (1 b) werden bei Monoozonolysen in Methanol zu uber 90% an den nicht chlorierten Doppelbindungen und zu 96 bzw. 80% zu u,P-ungesittigten 0x0-Verbindungen (2) gespalten. Diese gehen mit Methanol, 2a auch mit dem komplementaren Methoxymethylhydroperoxid (5) Folgereaktionen In vorangehenden Untersuchungen hatten wir gezeigt, daD Diozonolysen einer Reihe von acyclischen konjugierten Dienen in Methanol zu anomalen Reaktionen fiihrten, bei denen neben den beiden Do… Show more

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Cited by 13 publications
(3 citation statements)
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“…To the best of our knowledge, iodomethanol has never been isolated. It has been proposed as an intermediate in the ultraviolet photolysis of CH 2 I 2 in aqueous environment leading to almost complete conversion into CH 2 (OH) 2 and 2 HI products . If formed in CH 3 OD, CH 2 O and ICH 2 OD should be rapidly transformed into CH 3 OCH 2 OD [Eqs.…”
Section: Resultsmentioning
confidence: 99%
“…To the best of our knowledge, iodomethanol has never been isolated. It has been proposed as an intermediate in the ultraviolet photolysis of CH 2 I 2 in aqueous environment leading to almost complete conversion into CH 2 (OH) 2 and 2 HI products . If formed in CH 3 OD, CH 2 O and ICH 2 OD should be rapidly transformed into CH 3 OCH 2 OD [Eqs.…”
Section: Resultsmentioning
confidence: 99%
“…Our syntheses of 2,2-dimethoxypent-4-enals 7a and b began with the dimethoxyacetate 11 (available from glyoxylic acid in one step; Scheme ). Allylating the 11 -enolate by modifying the procedure from Conia et al delivered the ester 12a in 74% yield (ref , 50%).…”
mentioning
confidence: 99%
“…1 H NMR (CDCl 3 , 400 MHz) δ: 8.01 (d, J= 7.3 Hz, 2H), 7.66 (t, J=7.4 Hz, 1H), 7.51 (t, J=7.8 Hz, 2H), 3.98 (s, 3H). 丙酮酸甲酯(1c) [12] : 无色液体. 1 H NMR (CDCl 3 , 400 MHz) δ: 2.49 (s, 3H), 3.88 (s, 3H).…”
Section: 通用氧化方法mentioning
confidence: 99%