4S, 5R
Crystal and molecular structure of jatrophane diterpenoid (2R,3R,4S,5R,7S,8S,9S,13S,14S,15R) 2,3,8,9 tetraacetoxy 5,14 bis(benzoyloxy) 15 hydroxy 7 (isobutanoyloxy)jatropha 6(17),11(E) diene
... The structure of EZIJAA, (2R,3R,4S,5R,7R,8R,9R,13S,- 15R)-2,9-diacetoxy-3,8,15-trihydroxy-5,7-dibenzoyloxy-14- oxojatropha- 6(17),11(E)-diene diethyl ether solvate (Espo- sito et al., 2016) is the most ...
15
3 tert Butyl 5 methyl (2R,4S,5R) 2 (4 methoxyphenyl) 4 (3 nitrophenyl) 1,3 oxazolidine 3,5 dicarboxylate
... The assignment of the absolute configuration of the three chiral centers was based on the stereospecificity of the synthetic pathway. The second synthetic step (see Fig. 1) allows to fix the stereochemistry for C4 and C5 ...
12
Crystal structure and absolute configuration of (3aS,4S,5R,7aR) 2,2,7 trimethyl 3a,4,5,7a tetrahydro 1,3 benzodioxole 4,5 diol
... 3aS,4S,5R,7aR on the basis of the synthetic pathway, was confirmed by X-ray diffraction. The molecule contains a five- and a six-membered ring that adopt twisted and envelope conformations, respectively. ...
8
Crystal structure of (–) (R,E) 3 (1,3 benzodioxol 5 yl) 5 [(4S,5R) 5 hydroxymethyl 2,2 dimethyl 1,3 dioxolan 4 yl] N,N dimethylpent 4 enamide
... Crystal structure of –-R,E-3-1,3-benzodioxol-5-yl-5-[4S,5R-5-hydroxymethyl-2,2-dimethyl-1,3-dioxolan-4-yl]-N,N-dimethylpent-4-enamide Takeshi Oishi, Koki Ishii, Mizuki Ishibashi, Takaaki[r] ...
10
(2R,3S,4S,5R) 4 Hydroxy 3 iodo 5 methyltetrahydro 2 furylmethyl benzoate
... Comment The title compound, 2, was synthesized as part of an ongoing synthetic project towards the synthesis of the C2-symmetric boron-containing antibiotic Aplasmomycin Scheme 1; Knight[r] ...
8
(4S,5R,6R) Methyl 4 hydroxy 4,5 isopropylidenedioxy 4,5,6,7 tetrahydro 1,2,3 triazolo[1,5 a]pyridine 3 carboxylate
... Data collection: COLLECT Nonius, 2001.; cell refinement: DENZO/SCALEPACK Otwinowski & Minor, 1997; data reduction: DENZO/SCALEPACK; programs used to solve structure: SIR92 Altomare et al[r] ...
9
(3S,4S,5R) 4 Hydroxy 3 methyl 5 [(2S,3R) 3 methylpent 4 en 2 yl] 4,5 dihydrofuran 2(3H) one
... Data collection: APEX2 Bruker, 2004; cell refinement: SAINT Bruker, 2004; data reduction: SAINT; programs used to solve structure: SHELXS97 Sheldrick, 2008; programs used to refine struc[r] ...
7
(2R,3R,4S,5R) 2 (4 Amino 5 iodo 7H pyrrolo[2,3 d]pyrimidin 7 yl) 5 methyltetrahydrofuran 3,4 diol
... Data collection: SMART Bruker, 2002; cell refinement: SAINT Bruker, 2002; data reduction: SAINT; programs used to solve structure: SHELXTL Sheldrick, 2008; programs used to refine struct[r] ...
8
C—H⋯O and C—H⋯π(arene) interactions in (2S,4S,5R) (–) 2 (4 propoxyphenyl) 3,4 dimethyl 5 phenyl 1,3 oxazolidine
... Data collection: KappaCCD Server Software Nonius, 1997; cell re®nement: DENZO±SMN Otwinowski & Minor, 1997; data reduction: DENZO±SMN; programs used to solve structure:.. Marina Duffy et[r] ...
9
(1S,2R,4S,5R) tert Butyl 7 oxo 3 oxa 6 azatricyclo[3 2 1 02,4]octane 6 carboxylate
... Data collection: X-AREA Stoe & Cie, 2003; cell re®nement: X-AREA; data reduction: X-AREA; programs used to solve structure: SHELXS97 Sheldrick, 1997; programs used to re®ne structure: SH[r] ...
6
(1S*,4S*,5R*,8R*) 8 (3,4 Dimethoxyphenyl) 4 (3,4,5 trimethoxyphenyl) 3,7 dioxabicyclo[3 3 0]octan 2 one
... Data collection: COLLECT Hooft, 1998; cell re®nement: SCALEPACK Otwinoski & Minor, 1997 and COLLECT; data reduction: DENZO Otwinoski & Minor, 1997, COLLECT and maXus Mackay et al., 1998;[r] ...
7
(3R,4S,5R) Methyl 3,5 bis[(tert butyldimethylsilyl)oxy] 4 methoxycyclohex 1 enecarboxylate
... Data collection: CrystalClear Rigaku, 2007; cell refinement: CrystalClear; data reduction: CrystalClear; programs used to solve structure: SHELXS97 Sheldrick, 2008; programs used to refi[r] ...
9
rac Methyl (3aR*,4S*,5R*,7aR*) 5,7a bis(acetyloxy) 3 oxo 2 phenyloctahydro 1H isoindole 4 carboxylate
... The title molecule, C20H23NO7, the product of nucleophilic cleavage of the 3a,6-epoxy bridge in 1-oxo-2-phenyloctahydro-3a,6-epoxyisoindole-7-carboxylate, comprises a cisfused bicyclic s[r] ...
10
Crystal structure of 4 [(1R,2S,5R) 2 isopropyl 5 methylcyclohexyl] 2 methyl (2S,4S,5R) 1 [(2S,3R,5R) 5 methoxycarbonyl 2 (2 methylphenyl)pyrrolidine 3 carbonyl] 5 (2 methylphenyl)pyrrolidine 2,4 dicarboxylate
... Churakov Computing details Data collection: APEX2 Bruker, 2008; cell refinement: SAINT Bruker, 2008; data reduction: SAINT Bruker, 2008; programs used to solve structure: SHELXTL Sheldri[r] ...
12
Crystal structure of (+) methyl (E) 3 [(2S,4S,5R) 2 amino 5 hydroxymethyl 2 trichloromethyl 1,3 dioxolan 4 yl] 2 methylprop 2 enoate
... Ishida, Okayama University, Japan Keywords: crystal structure; orthoamide; dioxolane; hydrogen bonding; hydroxy group; amino group; disorder.. CCDC reference: 1452471 Supporting informat[r] ...
10
(2S*,3R*,4S*,5R*) 3 (S* 1 Benzyloxyethyl) 4 methyl 4 nitro 5 phenylproline methyl ester
... distances in the range 0.95±1.00 A Data collection: MSC/AFC Diffractometer Control Software Molecular Structure Corporation, 1991; cell re®nement: MSC/AFC Diffractometer Control Software[r] ...
11
(1S*,4S*,5R*,8R*) 4,8 Diphenyl 3,7 dioxabicyclo[3 3 0]octan 2 one
... organic papers Data collection: DENZO Otwinowski & Minor, 1997 and COLLECT Hooft, 1998; cell re®nement: DENZO and COLLECT; data reduction: DENZO and COLLECT; programs used to solve struc[r] ...
7
(2R,3S,4S,5R) Methyl 5 cyano 2,3:4,5 di O isopropylidene 2,3,4,5 tetrahydroxypentanoate
... Data collection Nonius KappaCCD diffractometer Graphite monochromator ω scans Absorption correction: multi-scan DENZO/SCALEPACK; Otwinowski & Minor, 1997 Tmin = 0.87, Tmax = 0.97.. Fract[r] ...
7
Crystal structure and absolute configuration of (4S,5R,6S) 4,5,6 trihydroxy 3 methylcyclohex 2 enone (gabosine H)
... The synthesis of gabosine H was achieved by inversion of the allylic –OH group using Mitsunobu conditions followed by deprotection. (4R,5R,6S)-5-Acetoxy-4,5-dihydroxy-3-methyl- cyclohex-2-enone (2, Fig. 4; 0.149 ...
8
(2R,4S,5R) 3,4 Dimethyl 5 phenyl 2 [4 (trifluoromethyl)phenyl] 1,3,2 oxazaphospholidine(P—B)borane
... Data collection: CAD-4 EXPRESS Enraf±Nonius, 1994; cell re®nement: CAD-4 EXPRESS; data reduction: XCAD4 Harms & Wocadlo, 1995; programs used to solve structure: SHELXS97 Sheldrick, 1997;[r] ...
7