1978
DOI: 10.1021/ja00470a025
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Synthesis of fulvenes by reaction of thiobenzophenones with cyclopentadienylmetal carbonyl anions under anhydrous or phase transfer catalyzed conditions

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Cited by 29 publications
(12 citation statements)
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“…Wir berichten hier iiber eine Erweiterung dieser Methode, und zwar durch a) Umsetzung von Acylchloriden (5)131 mit cis- (2) zu den Ketonen (6), b) Umwandeln von (6) in Silylenolether (7) und c) thermische Umlagerung von (7) in die Cycloheptadienderivate (8) Auch (5e) lafit sich glatt in (6e) umwandeln (87% Ausbeute), doch ergibt dieses neben dem erwarteten (7e) dessen Isomer (10) (ca. l:l)[*].…”
Section: LIunclassified
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“…Wir berichten hier iiber eine Erweiterung dieser Methode, und zwar durch a) Umsetzung von Acylchloriden (5)131 mit cis- (2) zu den Ketonen (6), b) Umwandeln von (6) in Silylenolether (7) und c) thermische Umlagerung von (7) in die Cycloheptadienderivate (8) Auch (5e) lafit sich glatt in (6e) umwandeln (87% Ausbeute), doch ergibt dieses neben dem erwarteten (7e) dessen Isomer (10) (ca. l:l)[*].…”
Section: LIunclassified
“…Das cis-Isomer ergibt mit 1.1-1.2 Aquivalenten tert-Butyllithium in Ether (-78 "C, 2 h) und anschlie8enden Zusatz von Tetrahydrofuran (THF) und Kupferben~olthiolat~'~ (1 Aquivalent) eine rotbraune Losung von cis- (2). Mit 0.66 Aquivalenten ( 5 4 (-78 "C, 5 min; -2O"C, 1 h; 20"C, 1 h) bildet cis- (2) das Keton ( 6 4 (93% Ausbeute).…”
Section: LIunclassified
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“…We suspected that ferrocene ( I ) can undergo electrophilic substitution by isobutyraldehyde (2) in trifluoroacetic acid (TFA) to form ( 3 ) , which equilibrates with (4). Evidence favoring this idea comes from (a) the formation of highly stable r-ferrocenylalkyl cations from x-ferrocenylalkanols in TFA"', (b) the enhancement of electrophilic reactivity of car-bony1 compounds by O-protonationt2], and (c) the role played by the r-ferrocenylisobutyl cation (4)[41 in the chemistry of r-ferrocenylisobutylamine ( 7)[31.…”
Section: Direct Formation Of the A-ferrocenylisobutyl Cation From Fermentioning
confidence: 99%
“…However, when we applied this procedure to unsaturated amides, an interesting reaction occurred to give a saturated thioamide. a,P-Unsaturated amides ( I ), prepared by treatment of an aromatic amine with acryloyl or methacryloyl chloride, react with P,Slo and NaHC03 in acetonitrile to give the P-mercaptoalkyl thioamides (2) in 31-56% yields ( of the anticipated thioamide (3) was isolated from these reactions.…”
Section: By Howard Alper Janie K Currie and Rajeeu Sachdeua[']mentioning
confidence: 99%