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1.
Z. G. Aliev A. N. Maslivets O. P. Krasnykh Yu. S. Andreichikov L. O. Atovmyan 《Russian Chemical Bulletin》1993,42(9):1569-1572
Thermal decarboxylation of 3-p-toluoyl-1,2-dihydro-4H-pyrrolo[5,1-c][1,4]benzoxazine-1, 2,4-trione resulted in 2-oxo-2H-1,4-benzoxazin-3-yl(p-toluoyl)ketene; the latter under-goes [4+2]-cycloaddition withp-bromobenzaldehyde to form 1-p-bromophenyl-4-p-toluoyl-1, 3-dihydro-5H-[1,3]oxazino[4,3-c][1,4] benzoxazine-3,5-dione. The crystal and molecular structure of the latter has been studied by X-ray analysis.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 1633–1636, September, 1993. 相似文献
2.
Z. G. Aliev O. P. Krasnykh A. N. Maslivets Yu. S. Andreichikov L. O. Atovmyan 《Russian Chemical Bulletin》1999,48(11):2131-2135
2-Oxo-2H-1,4-benzoxazin-3-yl-(2,4,6-trimethylbenzoyl)ketene, which is generated upon thermal decarbonylation of 3-(2,4,6-trimethylbenzoyl)pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-trione, undergoes dimerization through [4+2] cycloaddition to give 2-(2-oxo-2H-1,4-benzoxazin-3-yl)-4-(2,4,6-trimethylbenzoyl)-3-(2,4,6-trimethylbenzoyloxy)pyrido[2,1-c]-[1,4]benzoxazine-1,5-dione. The resulting compounds formed a crystal solvate withp-xylene, whose crystal and molecular structure was established by X-ray diffraction analysis. 相似文献
3.
Z. G. Aliev A. N. Maslivets I. V. Mashevskaya Yu. S. Andreichikov L. O. Atovmyan 《Russian Chemical Bulletin》1997,46(3):546-549
3-p-Toluoyl-1,2-dihydro-4H-pyrrolo-[2,1-c][1,4]benzoxazine-1,2,4-trione reacts with benzylamine to yieldZ-3-(1-benzyl-2-hydroxy-4,5-dioxo-2-p-tolyltetrahydropyrrol-3-idene)-3,4-dihydro-2H-1,4-benzoxazin-2-one. The crystal and molecular structure of the latter compound was studied by X-ray structural analysis.
Translated fromIzvestiya Akademii Nauk, Seriya Khimicheskaya, No. 3, pp. 566–569, March, 1997. 相似文献
4.
I. V. Mashevskaya N. V. Suchkova L. V. Kuslina P. A. Slepukhin A. N. Maslivets 《Russian Journal of Organic Chemistry》2014,50(3):425-428
A new direction of nucleophilic attack was revealed in the reactions of 3-aroylpyrrolo[2,1-c][1,4]-benzoxazine-1,2,4-triones with o-tolylhydrazine and 2-hydrazinylbenzoic acid hydrochloride, which afforded the corresponding hydrazones at the C2=O carbonyl group, substituted 2-(2-o-tolylhydrazono)pyrrolo[2,1-c]-[1,4]benzoxazine-1,4(2H)-diones and pyrrolo[2,1-c][1,4]benzoxazin-2(4H)-ylidenehydrazinylbenzoic acids. The structure of (Z)-2-{2-[3-benzoyl-1,4-dioxo-1H-pyrrolo[2,1-c][1,4]benzoxazin-2(4H)-ylidene]hydrazinyl}-benzoic acid was determined by X-ray analysis. 相似文献
5.
N. M. Tutynina V. A. Maslivets A. N. Maslivets 《Russian Journal of Organic Chemistry》2014,50(6):840-842
3-Aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with 1,2,3,4-tetrahydroquinoline to give 3-aroyl-4-hydroxy-1-(2-hydroxyphenyl)-5′,6′-dihydrospiro[pyrrole-2,1′-pyrrolo[3,2,1-ij]quinoline]-2′,5(1H,4′H)-diones. 相似文献
6.
[4 + 2]-Cycloaddition of vinyl acetate to 3-aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones afforded (10R*,11aR*)-8-aryl-6,7,12-trioxo-6,7,10,11-tetrahydropyrano[4′,3′:2,3]pyrrolo[2,1-c][1,4]benzoxazin-10-yl acetates with high diastereoselectivity. 相似文献
7.
E. E. Stepanova M. V. Dmitriev A. N. Maslivets 《Russian Journal of Organic Chemistry》2017,53(12):1851-1856
The hetero-Diels–Alder reaction of 3-aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones with styrene afforded mixtures of diastereoisomeric (10R*,11aR*)- and (10S*,11aR*)-8-aryl-10-phenyl-10,11-dihydropyrano[4′,3′: 2,3]pyrrolo[2,1-c][1,4]benzoxazine-6,7,12-triones. 相似文献
8.
E. E. Stepanova A. V. Babenysheva A. N. Maslivets 《Russian Journal of Organic Chemistry》2011,47(6):937-940
[4 + 2]-Cycloaddition of 3-aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4(4H)-triones to alkyl vinyl ethers gave substituted stereoisomeric (1R*,16R*)- and (1S*,16R*)-16-alkoxy-14-aryl-3,15-dioxa-10-azatetracyclo[8.7.0.01, 13.04, 9]heptadeca-4,6,8,13-tetraene-2,11,12-triones. 相似文献
9.
N. L. Racheva Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2008,44(8):1184-1188
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with methyl 4-aryl-2-arylamino-4-oxobut-2-enoate to give substituted methyl 7-aryl-4,9-bis(aroyl)-3-hydroxy-1-(2-hydroxyphenyl)-2,6-dioxo-1,7-diazaspiro[4.4]nona-3,8-diene-8-carboxylates
which undergo thermal cyclization to methyl 9-aroyl-4,7-diaryl-1-(2-hydroxyphenyl)-2,3,8-trioxo-2,3,7,8-tetrahydro-1H,6H-6,8a-methanopyrrolo[2,3-e][1,3]oxazepine-6-carboxylates. The crystalline and molecular structures of methyl 9-benzoyl-1-(2-hydroxyphenyl)-2,3,8-trioxo-4,7-diphenyl-2,3,7,8-tetrahydro-1H,6H-6,8a-methanopyrrolo[2,3-e][1,3]oxazepine-6-carboxylate was studied by X-ray analysis.
Original Russian Text ? N.L. Racheva, Z.G. Aliev, A.N. Maslivets, 2008, published in Zhurnal Organicheskoi Khimii, 2008, Vol.
44, No. 8, pp. 1197–1201.
For communication LX, see [1]. 相似文献
10.
E. N. Kozminykh N. M. Igidov G. A. Shavkunova V. O. Kozminykh 《Russian Chemical Bulletin》1997,46(7):1285-1290
2-p-Chlorobenzoylmethylene-5-phenyl-2,3-dihydro-3-furanone reacts with arylamines orN-arylideneamines to form the products of ring opening, 1,6-diaryl-1-arylamino-4-hydroxy-1,4-hexadiene-3,6-diones. The reaction
of 5-aryl-2-p-chlorobenzoylmethylene-2,3-dihydro-3-furanones witho-aminophenol afforded 3-p-chlorobenzoylmethylene-3,4-dihydro-2H-benzo[b]-1,4-oxazin-2-one. Nucleophilic attack of amines is directed either to electrophilic centers at the C(5) and C(2) atoms or
to the carbonyl group of the 2-phenacylidene substituent of the 3-oxofuran ring.
For communication 15, see Ref. 1.
Translated fromIzestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1340–1345, July, 1997. 相似文献
11.
Reactions of 3-Z-aroylmethylene-6-chloro-3,4-dihydro-2H-1,4-benzoxazine-2-ones with oxalyl chloride afford 3-aroyl-8-chloro-1,2-dihydro-4H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones and Z-3-(2-aryl-2-chlorovinyl)-6-chloro-2H-1,4-benzoxazine-2-ones. Aroyl(imidoyl)ketenes generated by decarbonylation of pyrrolobenzoxazinetriones undergo dimerization through [4+2]-cycloaddition to form 4-aroyl-3-aroyloxy-2-(2-oxo-2H-1,4-benzoxazin-3-yl)-1H, 5H-pyrido[2,1-c][1,4]benzoxazine-1,5-diones. 相似文献
12.
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with 4-arylaminopent-3-en-2-ones and 3-amino-1,3-diphenylprop-2-en-1-ones to give substituted 4-aroyl-3-hydroxy-1-(o-hydroxyphenyl)-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-diones. 相似文献
13.
Townley P. Culbertson John M. Domagala Phred Peterson Shannon Bongers Jeffrey B. Nichols 《Journal of heterocyclic chemistry》1987,24(6):1509-1520
A series of 1-ethyl-1,4-dihydro-4-oxo-7-(4-thiazolyl)-3-quinolinecarboxylic acids and 1-ethyl-1,4-dihydro-4-oxo-7-(2-thiazolyl)-3-quinolinecarboxylic acids were prepared. Also prepared was 10-[2-(aminomethyl)-4-thiazolyl]-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid. Analogs with basic amine substituents on the thiazole moiety were found to have antibacterial activity. 相似文献
14.
Gumerova D. F. Mashevskaya I. V. Maslivets A. N. Kozlov A. P. 《Russian Journal of Organic Chemistry》2003,39(7):995-997
The kinetics of the reaction of 3-aroyl-2,4-dihydro-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones with aliphatic alcohols in toluene at 25°C were studied by spectrophotometry. The effects of electronic and steric factors in the nucleophile and substrate were estimated by treatment of the kinetic results by the Hammett and Taft equations. 相似文献
15.
E. E. Stepanova M. V. Dmitriev P. A. Slepukhin A. N. Maslivets 《Russian Journal of Organic Chemistry》2017,53(1):74-81
3-Aroylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with 2,3-dihydrofuran and 3,4-dihydro-2H-pyran to give mixtures of the corresponding hetero-Diels–Alder and Michael addition products. 相似文献
16.
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with N′-(5,5-dimethyl-3-oxocyclohex-1-en-1-yl)benzohydrazides to give the corresponding N-[3′-aroyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-2,4,5′-trioxo-1′,4,5,5′,6,7-hexahydrospiro[indole-3,2′-pyrrol]-1(2H)-yl]benzamides. The molecular and crystalline structure of one of the products, N-[3′-benzoyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-2,4,5′-trioxo-1′,4,5,5′,6,7-hexahydrospiro[indole-3,2′-pyrrol]-1(2H)-yl]-3-nitrobenzamide, was determined by X-ray analysis. 相似文献
17.
N. L. Racheva Yu. V. Shklyaev Yu. S. Rozhkova A. N. Maslivets 《Russian Journal of Organic Chemistry》2007,43(9):1330-1333
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with substituted 1,3,3-trimethyl-3,4-dihydroisoquinolines to give the corresponding 3-aroyl-4-hydroxy-1-(2-hydroxyphenyl)-5′,5′-dimethyl-5′,6′-dihydro-1H-spiro[pyrrole-2,2′-pyrrolo[2,1-a]isoquinoline]-3′,5-diones. 7′,8′-Benzo derivatives of the latter may be regarded as 13-azagonane analogs having a spiro-fused pyrrole ring at C16. 相似文献
18.
N. L. Racheva Z. G. Aliev M. A. Belova I. V. Mashevskaya A. N. Maslivets 《Russian Journal of Organic Chemistry》2008,44(5):701-705
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with substituted alkyl 3-amino-2-propenoates to form substituted alkyl 3-aroyl-4-hydroxy-1-o-hydroxyphenyl-5-oxo-2,5-dihydro-1H-pyrrole-2-spiro-3′-(2-oxo-2,3-dihydro-1H-pyrrole-4-carboxylates). Crystal and molecular structure of ethyl 3-benzoyl-4-hydroxy-1-o-hydroxyphenyl-5-oxo-2,5-dihydro-1H-pyrrole-2-spiro-3′-(5-methyl-2-oxo-2,3-dihydro-1H-pyrrole-4-carboxylate) was investigated. 相似文献
19.
A. I. Kobelev E. E. Stepanova M. V. Dmitriev E. S. Denislamova A. N. Maslivets 《Russian Journal of Organic Chemistry》2018,54(5):766-770
3-Acylpyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones regioselectively react with thiobenzamide forming substituted spiro[thiazolo-5,2′-pyrroles], whose structure was confirmed by X-ray diffraction analysis. 相似文献
20.
N. M. Tutynina N. L. Racheva V. A. Maslivets Z. G. Aliev A. N. Maslivets 《Russian Journal of Organic Chemistry》2013,49(1):95-98
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones reacted with 5,5-dimethylcyclohexane-1,3-dione to give 3′-aroyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-6,7-dihydrospiro[1-benzofuran-3,2′-pyrrole]-2,4,5′(1′H,5H)-triones. The crystalline and molecular structures of 3′-benzoyl-4′-hydroxy-1′-(2-hydroxyphenyl)-6,6-dimethyl-6,7-dihydrospiro[1-benzofuran-3,2′-pyrrole]-2,4,5′(1′H,5H)-trione were determined by X-ray analysis. 相似文献