Structures by: Shivachev B.

Total: 33

C11H20O2

C11H20O2

Malinka StoyanovaRositsa NikolovaBoris ShivachevVladimir Dimitrov

Tetrahedron: Asymmetry (2013) 24, 1426

a=8.88580(10)Å   b=11.2730(2)Å   c=21.7155(3)Å

α=90°   β=90°   γ=90°

C22H16N4O4

C22H16N4O4

Todorov, PetarGeorgieva, StelaPeneva, PetiaRusew, RusiShivachev, BorisGeorgiev, Anton

New Journal of Chemistry (2020) 44, 35 15081-15099

a=9.5170(5)Å   b=10.8616(7)Å   c=18.5972(10)Å

α=90°   β=100.902(5)°   γ=90°

C21H16N4O2

C21H16N4O2

Todorov, PetarGeorgieva, StelaPeneva, PetiaRusew, RusiShivachev, BorisGeorgiev, Anton

New Journal of Chemistry (2020) 44, 35 15081-15099

a=16.3125(6)Å   b=8.4276(3)Å   c=27.2914(10)Å

α=90°   β=105.355(4)°   γ=90°

C22H17N3O3

C22H17N3O3

Todorov, PetarGeorgieva, StelaPeneva, PetiaRusew, RusiShivachev, BorisGeorgiev, Anton

New Journal of Chemistry (2020) 44, 35 15081-15099

a=8.5374(8)Å   b=10.4625(17)Å   c=11.6521(17)Å

α=107.718(14)°   β=96.228(10)°   γ=106.521(11)°

C11H16O2

C11H16O2

Malinka StoyanovaRositsa NikolovaBoris ShivachevVladimir Dimitrov

Tetrahedron: Asymmetry (2013) 24, 1426

a=11.8224(6)Å   b=6.9276(3)Å   c=12.0972(5)Å

α=90°   β=91.513(4)°   γ=90°

Sodiumhydrogensquaratemonohydrate

Na,C4H1O4,H2O1

Nadia PetrovaBoris ShivachevTsonko KolevRosica Petrova

Acta Crystallographica Section E (2006) 62, 6 m1359-m1361

a=3.6239(10)Å   b=8.1320(11)Å   c=9.392(4)Å

α=90.00°   β=97.97(3)°   γ=90.00°

(3RS,4RS)-3-(2-Furyl)-2-phenetyl-4-(pyrrolidin-1-ylcarbonyl)-3,4- dihydroisoquinolin-1(2H)-one

C26H26N2O3

Rosica PetrovaBoris ShivachevKrasimir KosevMalinka StoyanovaSilvia Angelova

Acta Crystallographica Section E (2005) 61, 7 o2248-o2250

a=11.9675(15)Å   b=11.066(2)Å   c=32.7891(14)Å

α=90.00°   β=90.00°   γ=90.00°

2-{3-[(E)-(3,4-Dimethoxyphenyl)ethenyl]-5,5-dimethylcyclohex-2- enylidene}malononitrile

C21H22N2O2

Tsonko KolevDenitsa YanchevaBoris ShivachevRosica PetrovaMichael Spiteller

Acta Crystallographica Section E (2005) 61, 3 o550-o552

a=8.711(2)Å   b=18.005(3)Å   c=12.5175(18)Å

α=90.00°   β=107.66(2)°   γ=90.00°

6-O-acetylcodeine

C20H23NO4

Tsonko KolevRumyana BakalskaBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2005) 61, 8 o2582-o2584

a=8.628(2)Å   b=12.727(2)Å   c=15.4842(19)Å

α=90.00°   β=90.00°   γ=90.00°

Codeinone

C18H19NO3

Tsonko KolevRumyana BakalskaBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2006) 62, 1 o255-o257

a=7.2541(10)Å   b=14.0943(14)Å   c=14.3507(15)Å

α=90.00°   β=90.00°   γ=90.00°

[1-(hydroxyethylamino)propyl]phosphonic acid

C5H14NO4P

Shivachev, BorisPetrova, RosicaKossev, KrassimirTroev, Kolio

Acta Crystallographica Section E (2005) 61, 1 o134-o136

a=9.525(3)Å   b=5.992(3)Å   c=14.817(2)Å

α=90.00°   β=94.77(2)°   γ=90.00°

Trans-rac-2-Hexyl-1-oxo-3-(2-pyridyl)-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acid

C21H24N2O3

Kandinska, Meglena I.Todorov, Iliya S.Boris ShivachevBogdanov, Milen G.

Acta Crystallographica Section E (2007) 63, 5 o2544-o2546

a=9.8917(4)Å   b=12.9205(9)Å   c=15.5882(9)Å

α=90.00°   β=103.216(6)°   γ=90.00°

3'-Aminocyclohexanespiro-5'-hydantoin--phenylboronic acid (1/1)

C8H13N3O2,C6H7BO2

Boris ShivachevRosica PetrovaEmilia Naydenova

Acta Crystallographica Section E (2006) 62, 9 o3887-o3889

a=6.0430(10)Å   b=12.0940(11)Å   c=12.3011(12)Å

α=62.514(7)°   β=89.291(9)°   γ=80.182(8)°

Pyridinium-betaine of squaric acid

C9H5NO3

Tsonko KolevDenitsa YanchevaBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2007) 63, 7 o3259-o3259

a=5.0654(2)Å   b=18.8003(17)Å   c=8.1609(4)Å

α=90.00°   β=90.00°   γ=90.00°

Isoquinolinone

C9H7NO

Rosica PetrovaRositsa TitorenkovaBoris Shivachev

Acta Crystallographica Section E (2007) 63, 12 o4751-o4751

a=11.6138(17)Å   b=5.2965(9)Å   c=12.2946(9)Å

α=90.00°   β=111.745(9)°   γ=90.00°

4-phenylpyridinium hydrogentartrate dihydrate

C11H10N,C4H5O6,2H2O

Tsonko KolevBoris ShivachevRosica Petrova

Acta Crystallographica Section E (2007) 63, 5 o2511-o2511

a=7.3051(16)Å   b=11.850(2)Å   c=18.165(3)Å

α=90.00°   β=90.00°   γ=90.00°

4-Methyl-1-Phenylquinolinone

C16H13NO

Petar Yotov PetrovMalinka StoyanovaBoris Shivachev

Acta Crystallographica Section E (2008) 64, 1 o72-o72

a=8.984(2)Å   b=14.194(4)Å   c=10.1785(16)Å

α=90.00°   β=106.631(15)°   γ=90.00°

1,2,3,4-Tetrahydroisoquinolinium hydrogensquarate

C9H12N,C4HO4

Tsonko KolevBoris ShivachevRosica PetrovaIliyan IvanovStoyanka AtanasovaStela Statkova

Acta Crystallographica Section E (2007) 63, 8 o3353-o3354

a=8.1456(10)Å   b=10.936(2)Å   c=13.6897(12)Å

α=77.81(2)°   β=78.170(17)°   γ=74.319(13)°

[(4,4-dimethyl-2-oxo-1,3-oxazolidin-3-yl)methyl]phosphonic acid

C6H12NO5P

Petar TodorovEmilia NaydenovaRosica PetrovaBoris ShivachevKolio Troev

Acta Crystallographica Section C (2006) 62, 11 o661-o662

a=9.2775(13)Å   b=6.7213(16)Å   c=14.875(2)Å

α=90.00°   β=94.614(11)°   γ=90.00°

3-benzoylpyridinium betaine of squaric acid

C16H9NO4

Tsonko KolevDenitsa YanchevaBoris ShivachevRosica PetrovaMichael Spiteller

Acta Crystallographica Section C (2005) 61, 4 o213-o215

a=7.9319(11)Å   b=13.6577(14)Å   c=12.0890(12)Å

α=90.00°   β=103.903(12)°   γ=90.00°

Cyclopentanespiro-4'-imidazolidine-2',5'-dithione

C7H10N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=7.898(5)Å   b=8.4607(19)Å   c=13.587(2)Å

α=90.00°   β=90.00°   γ=90.00°

Cyclohexanespiro-4'-imidazolidine-2',5'-dithione

C8H12N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=8.6896(10)Å   b=12.2674(15)Å   c=9.7864(10)Å

α=90.00°   β=109.86(9)°   γ=90.00°

Cyclooctanespiro-4'-imidazolidine-2',5'-dithione

C10H16N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=8.484(2)Å   b=11.5018(18)Å   c=23.992(10)Å

α=90.00°   β=90.00°   γ=90.00°

3-amino-cyclohexanspiro-5-hydantoin

C8H13N3O2

Boris ShivachevRosica PetrovaEmilia Naydenova

Acta Crystallographica Section C (2005) 61, 8 o524-o526

a=14.0813(13)Å   b=10.2094(19)Å   c=12.372(3)Å

α=90.00°   β=91.621(14)°   γ=90.00°

3-amino-cyclohexanspiro-5-hydantoin

C8H13N3O2

Boris ShivachevRosica PetrovaEmilia Naydenova

Acta Crystallographica Section C (2005) 61, 8 o524-o526

a=6.1743(12)Å   b=26.765(3)Å   c=6.0257(12)Å

α=90.00°   β=111.425(11)°   γ=90.00°

C23H12BrO2,BF4

C23H12BrO2,BF4

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=8.4060(5)Å   b=8.4660(7)Å   c=14.6974(10)Å

α=89.549(6)°   β=77.343(5)°   γ=66.477(7)°

C24H14BrO3,BF4

C24H14BrO3,BF4

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=8.8561(5)Å   b=9.3777(5)Å   c=14.1453(5)Å

α=91.724(4)°   β=98.862(4)°   γ=116.907(6)°

C27H22BrNO2,CH2Cl2

C27H22BrNO2,CH2Cl2

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=9.9075(7)Å   b=11.5025(7)Å   c=12.5629(8)Å

α=110.420(6)°   β=95.401(5)°   γ=112.560(6)°

C29H26BrN2,BF4

C29H26BrN2,BF4

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=12.7765(3)Å   b=16.0668(6)Å   c=17.3836(7)Å

α=77.279(4)°   β=80.071(3)°   γ=80.432(3)°

C29H28BrNO4

C29H28BrNO4

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=8.9485(3)Å   b=21.3763(5)Å   c=13.2147(3)Å

α=90°   β=99.059(3)°   γ=90°

Cycloheptanespiro-4'-imidazolidine-2',5'-dithione

C9H14N2S2

Boris ShivachevRosica PetrovaMarin MarinovNeyko StoyanovAnife AhmedovaMariana Mitewa

Acta Crystallographica Section C (2006) 62, 4 o211-o215

a=7.4041(14)Å   b=17.859(4)Å   c=8.4491(14)Å

α=90.00°   β=105.848(19)°   γ=90.00°

C23H11BrO3

C23H11BrO3

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=20.2508(3)Å   b=4.24318(7)Å   c=19.0965(3)Å

α=90°   β=106.1860(17)°   γ=90°

2(C27H21BrNO2),CH2Cl2,2(BF4)

2(C27H21BrNO2),CH2Cl2,2(BF4)

Marinova, MayaPascal, SimonGuénée, LaureBesnard, CélineShivachev, BorisKostova, KalinaVillani, ClaudioFranzini, RobertaDimitrov, VladimirLacour, Jérôme

The Journal of organic chemistry (2020) 85, 18 11908-11923

a=7.7507(4)Å   b=12.3048(5)Å   c=13.5177(8)Å

α=104.972(5)°   β=95.439(4)°   γ=94.459(4)°