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【结 构 式】

【分子编号】15477

【品名】1-[[(2R)-2-(2,4-difluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole

【CA登记号】

【 分 子 式 】C11H9F2N3O

【 分 子 量 】237.2088864

【元素组成】C 55.7% H 3.82% F 16.02% N 17.71% O 6.74%

与该中间体有关的原料药合成路线共 5 条

合成路线1

该中间体在本合成路线中的序号:(VI)

The condensation of 4-(2,2,3,3-tetrafluoropropoxy)benzaldehyde (I) with refluxing acetic anhydride gives 3-[4-(2,2,3,3-tetrafluoropropoxy) phenyl]acrylic acid (II), which is treated with refluxing SOCl2 to yield the corresponding acid chloride (III). The reaction of (III) with thiosemicarbazide in toluene affords 3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]acryloylthiosemicarbazide (IV), which is cyclized by means of NaNO2 and HNO3 in water to give 3-[4-(2,2,3,3-tetrafluoropropoxy) styryl]-1,2,4-triazole (V). Finally, this compound is condensed with 2-(2,4-difluorophenyl)-3-(1,2,4-triazol-1-yl)-1,2-epoxypropane (VI) by means of NaH in hot DMF.

1 Bayles, F.T.; Boyle, F.T.; Gravestock, M.B.; Wardleworth, J.M. (AstraZeneca plc); Antifungal azole cpds.. EP 0174769; US 4925863 .
2 Prous, J.; Castaner, J.; ICI-195739 . Drugs Fut 1988, 13, 5, 408.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 15481 4-(2,2,3,3-tetrafluoropropoxy)benzaldehyde C10H8F4O2 详情 详情
(II) 15484 (E)-3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]-2-propenoic acid C12H10F4O3 详情 详情
(III) 22561 (E)-3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]-2-propenoyl chloride C12H9ClF4O2 详情 详情
(IV) 22562 2-[(E)-3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]-2-propenoyl]-1-hydrazinecarbothioamide C13H13F4N3O2S 详情 详情
(V) 15476 2,2,3,3-tetrafluoropropyl 4-[(E)-2-(1H-1,2,4-triazol-3-yl)ethenyl]phenyl ether; 3-[(E)-2-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]ethenyl]-1H-1,2,4-triazole C13H11F4N3O 详情 详情
(VI) 15477 1-[[(2R)-2-(2,4-difluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole C11H9F2N3O 详情 详情

合成路线2

该中间体在本合成路线中的序号:(II)

By condensation of 3-[2(E)-(4-(2,2,3,3-tetrafluoropropoxy)phenyl)vinyl]-1H-1,2,4-triazole (I) with (+)-(R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazol-1-yl)-1,2-epoxypropane (II) by means of anhydrous K2CO3 in hot DMF. The starting products (I) and (II) are obtained as follows: a) The condensation of 4-chlorobenzonitrile (III) with 2,2,3,3-tetrafluoropanol (IV) by means of NaH in DMF gives 4-(2,2,3,3-tetrafluoropropoxy)benzonitrile (V), which is reduced to the corresponding benzaldehyde (VI) with diisobutylaluminum hydride in toluene. The condensation of diethoxyphosphorylacetic acid ethyl ester (VII) with aldehyde (VI) by means of KOH in THF yields (E)-4-(2,2,3,3-tetrafluoropropoxy)cinnamic acid ethyl ester (VIII), which is saponified to the corresponding acid (IX) with NaOH in ethanol-water. The reaction of (IX) first with refluxing SOCl2 and then with aqueous ammonia in toluene affords the corresponding amide (X), which is finally condensed with formyl hydrazide (XI) by means of trimethyloxonium tetrafluoroborate in CH2Cl2 to give (I). b) The reaction of 1,3-dichloroacetone (XII) with 2,4-difluorobromobenzene (XIII) by means of butyllithium in ether gives 1,3-dichloro-2-(2,4-difluorophenyl)-2-propanol (XIV), which is converted into 3-chloro-2-(2,4-difluorophenyl)-1,2-epoxypropane (XV) by treatment with NaH in DMF. The reaction of (XV) with tellurium and sodium hydroxymethylsulfinate in water yields 2-(2,4-difluorophenyl)allyl alcohol (XVI), which by stereoselective epoxidation with titanium tetraisopropoxide and diethyl (+)-tartrate in methylene chloride is converted into (R)-(-)-2-(2,4-difluorophenyl)-2,3-epoxypropanol (XVII). The reaction of (XVII) with 1,2,4-triazole (XVIII) by means of K2CO3 in THF affords (S)-(-)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazole-1-yl)-propane-1,2-diol (XIX), which is finally treated with methanesulfonyl chloride and triethylamine in ether to give (II).

1 Murakami, K.; Mochizuki, H. (AstraZeneca plc; Mochida Pharmaceutical Co., Ltd.); Optically active triazole derivs. and compsns. EP 0472392; JP 1993009183 .
2 Fromtling, R.A.; Castaner, J.; ICI-D0870. Drugs Fut 1993, 18, 5, 424.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 15476 2,2,3,3-tetrafluoropropyl 4-[(E)-2-(1H-1,2,4-triazol-3-yl)ethenyl]phenyl ether; 3-[(E)-2-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]ethenyl]-1H-1,2,4-triazole C13H11F4N3O 详情 详情
(II) 15477 1-[[(2R)-2-(2,4-difluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole C11H9F2N3O 详情 详情
(III) 15478 4-methylcyclohexanecarbonitrile C8H13N 详情 详情
(IV) 15479 2,2,3,3-tetrafluoro-1-propanol 76-37-9 C3H4F4O 详情 详情
(V) 15480 4-(2,2,3,3-tetrafluoropropoxy)benzonitrile C10H7F4NO 详情 详情
(VI) 15481 4-(2,2,3,3-tetrafluoropropoxy)benzaldehyde C10H8F4O2 详情 详情
(VII) 10019 Ethyl 2-(diethoxyphosphoryl)acetate; Triethyl phosphonoacetate 867-13-0 C8H17O5P 详情 详情
(VIII) 15483 ethyl (E)-3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]-2-propenoate C14H14F4O3 详情 详情
(IX) 15484 (E)-3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]-2-propenoic acid C12H10F4O3 详情 详情
(X) 15485 (E)-3-[4-(2,2,3,3-tetrafluoropropoxy)phenyl]-2-propenamide C12H11F4NO2 详情 详情
(XI) 15486 formic hydrazide; Formylhydrazine 624-84-0 CH4N2O 详情 详情
(XII) 63907 1,3-dichloroacetone C3H4Cl2O 详情 详情
(XIII) 15488 1-bromo-2,4-difluorobenzene 348-57-2 C6H3BrF2 详情 详情
(XIV) 15489 1,3-dichloro-2-(2,4-difluorophenyl)-2-propanol C9H8Cl2F2O 详情 详情
(XV) 15490 2-(chloromethyl)-2-(2,4-difluorophenyl)oxirane C9H7ClF2O 详情 详情
(XVI) 15491 2-(2,4-difluorophenyl)-2-propen-1-ol C9H8F2O 详情 详情
(XVII) 64587 [(2R)-2-(2,4-difluorophenyl)oxiranyl]methanol C9H8F2O2 详情 详情
(XVIII) 13135 1H-1,2,4-Triazole; 1,2,4-Triazole 288-88-0 C2H3N3 详情 详情
(XIX) 15494 (2S)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazol-1-yl)-1,2-propanediol C11H11F2N3O2 详情 详情

合成路线3

该中间体在本合成路线中的序号:(XX)

The intermediate (II) can be obtained as follows: 2) The reaction of 2,4-difluorophenacyl chloride (XII) with sodium acetate and NaI in DMF gives the acetoxy derivative (XIII), which is treated with methyltriphenylphosphonium bromide and sodium bis(trimethylsilyl)amide in THF yielding 2-(2,4-difluorophenyl)-2-propen-1-ol acetate (XIV). The saponification of (XIV) with KOH in water affords the unsaturated alcohol (XV), which is regioselectively epoxidized with titanium tetraisopropoxide, tert-butyl hydroperoxide and L-(+)-tartaric acid diethyl ester giving (S)-(-)-[2-(2,4-difluorophenyl)oxiran-2-yl]methanol (XVI). The condensation of epoxide (XVI) with 1,2,4-triazole (XVII) by means of NaH in DMF yields (R)-(-)-2-(2,4-difluorophenyl)-3-(1,2,4-triazol-1-yl)propane-1,2-diol (XVIII), which is treated with methanesulfonyl chloride and triethylamine affording the corresponding mesyl ester (XIX). Cyclization of (XIX) with NaOH in DMF affords the corresponding epoxide (XX), which is condensed with diethyl malonate (XXI) by means of NaH in DMSO giving 5(R)-(2,4-difluorophenyl)-2-oxo-5-(1,2,4-triazol-1-ylmethyl) tetrahydrofuran-3-carboxylic acid ethyl ester (XXII). The reduction of (XXII) with NaBH4 in ethanol yields the 4(R)-(2,4-difluorophenyl)-2-(hydroxymethyl)-5-(1,2,4-triazol-1-yl)penta n-1,4-diol (XXIII), which is selectively esterified with p-toluenesulfonyl chloride and dimethylaminopyridine/triethylamine to primary monosulfonate (XXIV). Finally, this compound is cyclized to (II) by means of NaH in refluxing toluene.

1 Van Cutsem, J.; Backx, L.J.J.; Heeres, J.; J. Antimycotic azoles. 7. Synthesis and antifungal properties of a series of novel triazol-3-ones. J Med Chem 1984, 27, 7, 894-900.
2 Castañer, J.; Fromtling, R.A.; SCH 51048. Drugs Fut 1995, 20, 3, 241.
3 Saksena, A.K.; Girijavallabhan, V.M.; Ganguly, A.K.; Lovey, R.G. (Schering Corp.); Tri-substd. tetrahydrofuran antifungals. EP 0610377; JP 1995500605; WO 9309114 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(II) 16311 [(3S,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methyl 4-methylbenzenesulfonate C21H21F2N3O4S 详情 详情
(XII) 16321 2-Chloro-2',4'-difluoroacetophenone; 2-Chloro-1-(2,4-difluorophenyl)-1-ethanone 51336-94-8 C8H5ClF2O 详情 详情
(XIII) 16322 2-(2,4-Difluorophenyl)-2-oxoethyl acetate C10H8F2O3 详情 详情
(XIV) 16323 2-(2,4-difluorophenyl)-2-propenyl acetate C11H10F2O2 详情 详情
(XV) 15491 2-(2,4-difluorophenyl)-2-propen-1-ol C9H8F2O 详情 详情
(XVI) 17058 [(2S)-2-(2,4-difluorophenyl)oxiranyl]methanol C9H8F2O2 详情 详情
(XVII) 13135 1H-1,2,4-Triazole; 1,2,4-Triazole 288-88-0 C2H3N3 详情 详情
(XVIII) 16327 (2R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazol-1-yl)-1,2-propanediol C11H11F2N3O2 详情 详情
(XIX) 16328 (2R)-2-(2,4-difluorophenyl)-2-hydroxy-3-(1H-1,2,4-triazol-1-yl)propyl methanesulfonate C12H13F2N3O4S 详情 详情
(XX) 15477 1-[[(2R)-2-(2,4-difluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole C11H9F2N3O 详情 详情
(XXII) 16331 ethyl (5R)-5-(2,4-difluorophenyl)-2-oxo-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furancarboxylate C16H15F2N3O4 详情 详情
(XXIII) 16332 (4R)-4-(2,4-difluorophenyl)-2-(hydroxymethyl)-5-(1H-1,2,4-triazol-1-yl)-1,4-pentanediol C14H17F2N3O3 详情 详情
(XXIV) 16333 (2S,4R)-4-(2,4-difluorophenyl)-4-hydroxy-2-(hydroxymethyl)-5-(1H-1,2,4-triazol-1-yl)pentyl 4-methylbenzenesulfonate C21H23F2N3O5S 详情 详情

合成路线4

该中间体在本合成路线中的序号:(IX)

Synthesis of intermediate (XX): The reaction of 2-chloro-2',4'-difluoroacetophenone (I) with sodium acetate and NaI in DMF gives 2-acetoxy-2',4'-difluoroacetophenone (II), which by methylenation with methyltriphenylphosphonium bromide and sodium bis(trimethylsilyl)amide in THF yields 2-(2,4-difluorophenyl)-2-propen-1-ol acetate ester (III). The hydrolysis of (III) with KOH in dioxane/water affords the corresponding alcohol (IV), which is regioselectively epoxidized with titanium tetraisopropoxide and L-(+)-diethyl tartrate in dichloromethane to (S)-(-)-2-(2,4-difluorophenyl)oxirane-2-methanol (V). The reaction of (V) with 1,2,4-triazole (VI) in DMF affords (R)-2-(2,4-difluorophenyl)-3-(1,2,4-triazol-1-yl)propane-1,2-diol (VII), which is selectively mesylated with methanesulfonyl chloride and triethylamine to the monomesylate (VIII). The cyclization of (VIII) with NaH in DMF gives the oxirane (IX), which is condensed with diethyl malonate (X) by means of NaH in DMSO to yield a mixture of (5R-cis)- and (5R-trans)-5-(2,4-difluorophenyl)-2-oxo-5-(1,2,4-triazol-1-ylmethyl) tetrahydrofuran-3-carboxylic acid ethyl ester (XI). The reduction of (XI) with NaBH4 and LiCl in ethanol affords (R)-4-(2,4-difluorophenyl)-2-(hydroxymethyl)-5-(1,2,4-triazol-1-yl) pentane-1,4-diol (XII), which is selectively tosylated with tosyl chloride and triethylamine in THF to the bistosylate (XIII). The cyclization of (XIII) by means of NaH in refluxing toluene gives (5R-cis)-5-(2,4-difluorophenyl)-5-(1,2,4-triazol-1-ylmethyl) tetrahydrofuran-3-methanol tosylate ester (XIV). The reaction of (XIV) with 1-(4-hydroxyphenyl)-4-(4-nitrophenyl)piperazine (XV) to obtain compound (XVI), and the following reaction sequence (XVI) to (XVII) to (XVIII) to (XIX) to (5R-cis)-4-[4-[4-[4-[5-(2,4-difluorophenyl)-5-(1,2,4-triazol-1-ylmethyl)tetrahydrofuran-3-ylmethoxy]phenyl]piperazin-1-yl]phenyl-3,4-dihydro-2H-1,2,4-triazol-3-one (XX) has been performed according to J Med Chem 1984, 27: 894-900.

1 Fromtling, R.A.; Castañer, J.; SCH-56592. Drugs Fut 1996, 21, 2, 160.
2 Saksena, A.K.; Girijavallabhan, V.M.; Lovey, R.G.; Pike, R.E.; Wang, H.; Liu, Y.-T.; Ganguly, A.K.; Bennett, F. (Schering Corp.); Tetrahydrofuran antifungals. EP 0736030; JP 1997500658; US 5661151; US 5703079; WO 9517407 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 16321 2-Chloro-2',4'-difluoroacetophenone; 2-Chloro-1-(2,4-difluorophenyl)-1-ethanone 51336-94-8 C8H5ClF2O 详情 详情
(II) 16322 2-(2,4-Difluorophenyl)-2-oxoethyl acetate C10H8F2O3 详情 详情
(III) 16323 2-(2,4-difluorophenyl)-2-propenyl acetate C11H10F2O2 详情 详情
(IV) 15491 2-(2,4-difluorophenyl)-2-propen-1-ol C9H8F2O 详情 详情
(V) 17058 [(2S)-2-(2,4-difluorophenyl)oxiranyl]methanol C9H8F2O2 详情 详情
(VI) 13135 1H-1,2,4-Triazole; 1,2,4-Triazole 288-88-0 C2H3N3 详情 详情
(VII) 16327 (2R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazol-1-yl)-1,2-propanediol C11H11F2N3O2 详情 详情
(VIII) 17061 (2R)-2-(2,4-difluorophenyl)-1-[[methyl(dimethylene)-lambda(6)-sulfanyl]oxy]-3-(1H-1,2,4-triazol-1-yl)-2-propanol C14H17F2N3O2S 详情 详情
(IX) 15477 1-[[(2R)-2-(2,4-difluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole C11H9F2N3O 详情 详情
(X) 16829 Diethyl malonate 105-53-3 C7H12O4 详情 详情
(XI) 16331 ethyl (5R)-5-(2,4-difluorophenyl)-2-oxo-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furancarboxylate C16H15F2N3O4 详情 详情
(XII) 16332 (4R)-4-(2,4-difluorophenyl)-2-(hydroxymethyl)-5-(1H-1,2,4-triazol-1-yl)-1,4-pentanediol C14H17F2N3O3 详情 详情
(XIII) 17066 (4R)-4-(2,4-difluorophenyl)-4-hydroxy-2-([[(4-methylphenyl)sulfonyl]oxy]methyl)-5-(1H-1,2,4-triazol-1-yl)pentyl 4-methylbenzenesulfonate C28H29F2N3O7S2 详情 详情
(XIV) 16311 [(3S,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methyl 4-methylbenzenesulfonate C21H21F2N3O4S 详情 详情
(XV) 16345 4-[4-(4-nitrophenyl)piperazino]phenol C16H17N3O3 详情 详情
(XVI) 16347 [(3R,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methyl 4-[4-(4-nitrophenyl)-1-piperazinyl]phenyl ether C30H30F2N6O4 详情 详情
(XVII) 17070 4-[4-(4-[[(3R,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methoxy]phenyl)-1-piperazinyl]phenylamine C30H32F2N6O2 详情 详情
(XVIII) 17071 N-[4-[4-(4-[[(3R,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methoxy]phenyl)-1-piperazinyl]phenyl]-N-(1-phenoxyvinyl)amine C38H38F2N6O3 详情 详情
(XIX) 16350 N-[4-[4-(4-[[(3R,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methoxy]phenyl)-1-piperazinyl]phenyl]-1-hydrazinecarboxamide C31H34F2N8O3 详情 详情
(XX) 16351 4-[4-[4-(4-[[(3R,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methoxy]phenyl)-1-piperazinyl]phenyl]-2,4-dihydro-3H-1,2,4-triazol-3-one C32H32F2N8O3 详情 详情

合成路线5

该中间体在本合成路线中的序号:(IX)

2-Chloro-2',4'-difluoroacetophenone (I) was converted to acetate ester (II) by displacement of the chlorine with sodium acetate in the presence of NaI. Subsequent Wittig reaction of (II) with methylenetriphenylphosphorane produced the allyl ester (III), which was hydrolyzed to alcohol (IV) with KOH in aqueous dioxan. Asymmeytric Sharpless epoxidation of (IV) with tert-butyl hydroperoxide in the presence of L-(+)-diethyl tartrate and titanium tetraisopropoxide furnished the (S)-epoxide (V). Ring opening of (V) with the sodium salt of 1,2,4-triazole (VI) gave the triazolyl diol (VII). After conversion of the primary hydroxyl group to tosylate (VIII), ring closure in the presence of NaH generated epoxide (IX). Condensation of (IX) with diethyl malonate afforded a mixture of diastereomeric butyrolactones (Xa, Xb), which was converted to triol (XI) by reduction with lithium borohydride. Treatment of (XI) with p-toluenesulfonyl chloride produced ditosylate (XII). Ring closure of (XII) employing NaH in boiling toluene gave rise to a diastereomeric mixture of tetrahydrofurans, from which the required cis isomer (XIII) was isolated by column chromatography.

1 Saksena, A.K.; Girijavallabhan, V.M.; Lovey, R.G.; Pike, R.E.; Wang, H.; Liu, Y.-T.; Ganguly, A.K.; Bennett, F. (Schering Corp.); Tetrahydrofuran antifungals. EP 0773941; WO 9638443 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
16829 Diethyl malonate 105-53-3 C7H12O4 详情 详情
(Xa) 34838 ethyl (3S,5R)-5-(2,4-difluorophenyl)-2-oxo-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furancarboxylate C16H15F2N3O4 详情 详情
(Xb) 34839 ethyl (3R,5R)-5-(2,4-difluorophenyl)-2-oxo-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furancarboxylate C16H15F2N3O4 详情 详情
(I) 16321 2-Chloro-2',4'-difluoroacetophenone; 2-Chloro-1-(2,4-difluorophenyl)-1-ethanone 51336-94-8 C8H5ClF2O 详情 详情
(II) 16322 2-(2,4-Difluorophenyl)-2-oxoethyl acetate C10H8F2O3 详情 详情
(III) 16323 2-(2,4-difluorophenyl)-2-propenyl acetate C11H10F2O2 详情 详情
(IV) 15491 2-(2,4-difluorophenyl)-2-propen-1-ol C9H8F2O 详情 详情
(V) 17058 [(2S)-2-(2,4-difluorophenyl)oxiranyl]methanol C9H8F2O2 详情 详情
(VI) 13135 1H-1,2,4-Triazole; 1,2,4-Triazole 288-88-0 C2H3N3 详情 详情
(VII) 16327 (2R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazol-1-yl)-1,2-propanediol C11H11F2N3O2 详情 详情
(VIII) 16328 (2R)-2-(2,4-difluorophenyl)-2-hydroxy-3-(1H-1,2,4-triazol-1-yl)propyl methanesulfonate C12H13F2N3O4S 详情 详情
(IX) 15477 1-[[(2R)-2-(2,4-difluorophenyl)oxiranyl]methyl]-1H-1,2,4-triazole C11H9F2N3O 详情 详情
(XI) 16332 (4R)-4-(2,4-difluorophenyl)-2-(hydroxymethyl)-5-(1H-1,2,4-triazol-1-yl)-1,4-pentanediol C14H17F2N3O3 详情 详情
(XII) 17066 (4R)-4-(2,4-difluorophenyl)-4-hydroxy-2-([[(4-methylphenyl)sulfonyl]oxy]methyl)-5-(1H-1,2,4-triazol-1-yl)pentyl 4-methylbenzenesulfonate C28H29F2N3O7S2 详情 详情
(XIII) 16311 [(3S,5R)-5-(2,4-difluorophenyl)-5-(1H-1,2,4-triazol-1-ylmethyl)tetrahydro-3-furanyl]methyl 4-methylbenzenesulfonate C21H21F2N3O4S 详情 详情
Extended Information