Basal cell carcinoma of the vulva

Six patients with basal cell carcinoma of the vulva underwent differentiated surgical therapy, and their courses were evaluated. No apparent differences in survival time and absence of recurrences and metastases were observed inthe patients treated with radical vulvectomy (1 case), simple vulvectomy (3 cases) and local excision (2 cases). Conservative surgical therapy is therefore considered most indicated.

[Chemical and pharmacological research on pyran derivatives. XIV. 3-alkylaminoaphtho/2,1-b/pyran-1-ones and derivatives]

3-Alkyl(phenyl)aminoaphtho[2,1-b]pyran-1-ones (III) were prepared from N-alkyl or N-phenylethoxycarbonylacetamides and 2-naphthol in the presence of phosphorus oxychloride, in order to evaluate their pharmacological activity on the CNS in comparison with previously described 3-dialkylaminoaphtho[2,1-b]pyran-1-ones. Compounds (III) gave 2-morpholinomethyl derivatives as well as N-acetyl and N-ethtoxycarbonyl derivatives. The reaction of (III) in which R = alkyl and N,N-dimethylformamide-POCl3 afforded 2-formyl derivatives and in some cases also 8-alkyl-9,10-bisdimethylaminoaphtho[1',2':5,6]pyrano[2,3-b]pyrrol-11(8H)-ones; when R = phenyl, only naphtho[1',2':5,6]pyrano[2,3-b]quinolin-14-one was obtained from the same reaction. Pharmacological evaluation showed that compounds (III) had a weak CNS depressant activity. Some of them also exhibited antagonist effect on reserpine-induced blepharospasm and hypothermia and on metrazole-induced seizures in the mouse. Within the limits of these activities a special behavior was found for the compound 3-ethylaminoaphtho[2,1-b]pyran-1-one [(III b) - K 12479].

[Value of the use of ultrasonics in the diagnosis of aneurysms of the abdominal aorta]

An account is given of the basic theory underlying the use of ultrasounds in the diagnosis of dilatation of the abdominal aorta, and its practical value. The limitations of physical examination and vacuum radiography, and the contraindications, inconveniences and risks associated with aortography are points in favour of echography. The salient features of its application in suspected aneurysm are described with reference to 12 clinical cases. This simple and harmless examination offers a reliable and non-invasive means of detecting the presence and determining the size of such aneurysms with safety and certainty.

Azetidine derivatives of tricyclic antidepressant agents

Tricyclic derivatives of azetidine were synthesized and screened for their potential antidepressant activity. The active series had the tricyclic ring attached to position 1 and a basic group in position 3 of the azetidine. The most interesting compounds were comparable to the reference standards for reserpine antagonism in mice, the most active being the dextrorotatory methylamino derivative 84. The pharmacological profile classifies it as a CNS stimulant devoid of peripheral anticholinergic activity.

[Chemical and pharmaceutical research on pyran derivatives. XI. Synthesis of 2-dialkylamino-4-oxo-10-methyl-4H-naphtho[2,3b]pyrans]

Reaction of N,N-dialkylethoxycarbonylacetamides with 1-methyl-2-naphthol, in the presence of phosphorus oxychloride, gave rise to the formation of 2-dialkylamino-4-oxo-10-methyl-4H-naphtho[2,3-b] pyrans through the preliminary attack of the amide-phosphorus oxychloride reactant at the phenolic hydroxyl and cyclization at position 3 of the naphthalene moiety. However when (N-alkyl,N-phenyl)ethoxycarbonylacetamides were used in the reaction an ortho position of the N-phenyl group was involved in the cyclization and 1-alkyl-2(1'-methyl-2'-naphthoxy)-4-quinolones were achieved. Pharmacological investigation showed that some naphtho[2,3-b]pyran derivatives have neurotropic activity of the sedative, anticonvulsant and antidepressant type very similar to that shown by previously studied 1-oxo-3-dialkylamino-1H-naphtho[2,1-b]pyrans (5).

[Leiomyoma of the oesophagus]

Successful resection of a leiomyoma of the epicardial segment of the oesophagus in a personal cases is reported.

[Chemical and pharmacological research on derivatives of 1H-naphtho/2,1-b/pyran. V. Behavior of some 1-oxo-3-dialkylamino-1H-naphtho/2,1-b/pyrans substituted in the Mannich reaction]

1-Oxo-3-dialkylamino-1H-naphtho [2,1-b] pyrans substituted in positions 5, 8 or 9 with halogen, alkyl, alkoxycarbonyl, hydroxyl, methoxyl, by the Mannich reaction will yield the corresponding 2-dialkylamino-methyl derivatives when a correct amount of acetic acid is present in the reaction mixture. Excess acid will give rise to the formation of substituted 1-oxo-2-[(1'-oxy-3'-oxo-3'H-naphtho [2',1'-b']pyran-2'-yl)methyl]-3-dialkylamino-1H-naphtho [2,1-b] pyrans when the group in the 3 position is dimethylamino or N-pyrrolidyl. In a few cases Mannich bases were accompanied by an appreciable quantity of substituted 2,2'-methylenebis (1-oxo-3-dialkylamino-1H-naphtho-E12,1-B] PYRANS). Therefore, these compounds were synthesized with excellent yields by treating Mannich bases with acetic anhydride. The behavior of some compounds in the acidic hydrolysis was also considered. Some Mannich bases of 1-oxo-3-dialkylamino-9 methoxy-1H-naphtho-[2,1-b] pyrans showed a more specific anticonvulsant activity than the parent compounds.