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【结 构 式】

【分子编号】32987

【品名】(2S)-3-(4-fluorophenoxy)-2-hydroxypropyl 4-methylbenzenesulfonate

【CA登记号】

【 分 子 式 】C16H17FO5S

【 分 子 量 】340.3723832

【元素组成】C 56.46% H 5.03% F 5.58% O 23.5% S 9.42%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(VI)

The reaction of 4-fluorophenol (I) with epichlorohydrin (II) by means of K2CO3 in refluxing acetone gives 2-(4-fluorophenoxymethyl)oxirane (III), which is submitted to an enantioselective ring opening with the Jacobsen (R,R)-catalyst yielding a mixture of the (R)-diol (IV) and unaltered epoxide (V), easily separated by column chromatography. The reaction of (IV) with tosyl chloride and pyridine in dichloromethane affords the primary monotosylate (VI), which is converted into the chiral epoxide (VII) by reaction with NaH in THF/DMF. The reaction of (VII) with allylmagnesium bromide (VIII) in ethyl ether gives the 2-hexenol derivative (IX), which is treated with benzenesulfonyl chloride and DMAP yielding the sulfonate (X). The ozonolysis of (X) with ozone in dichloromethane affords the aldehyde (XI), which is condensed with ethoxycarbonylmethylene(triphenyl)phosphorane (XII) yielding the 2-heptenoic ester (XIII). The reduction of (XIII) with diisobutylaluminum hydride (DIBAL) in toluene/dichloromethane provides the 2-hepten-1-ol (XIV), which is epoxidized with cumene hydroperoxide in the presence of diisopropyl (+)-tartrate and Ti(Oi-Pr)4 in dichloromethane to give the chiral epoxyalcohol (XV). The reaction of (XV) with triphenylphosphine/CCl4 in chloroform affords the corresponding chloride (XVI).

1 Adhikari, S.S.; Hymavathi, L.; Sadalapure, K.; Sharma, G.V.M.; Sreenivas, P.; Mhaskar, S.V.; Lalitha, S.V.S.; Chorghade, M.S.; Murugaiah, A.M.S.; Prasad, T.R.; Reddy, B.S.; Gurjar, M.K.; Reddy, V.G.; Krishna, P.R. (LeukoSite, Inc.); Substd. oxygen alicyclic cpds., including methods for synthesis thereof. WO 0001381 .
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
14713 benzenesulfonyl chloride 98-09-9 C6H5ClO2S 详情 详情
(I) 19639 4-fluorophenol 371-41-5 C6H5FO 详情 详情
(II) 10146 Epichlorohydrin; 2-(Chloromethyl)oxirane 106-89-8 C3H5ClO 详情 详情
(III) 22150 2-[(4-fluorophenoxy)methyl]oxirane; 4-fluorophenyl 2-oxiranylmethyl ether 18123-82-5 C9H9FO2 详情 详情
(IV) 32985 (2R)-3-(4-fluorophenoxy)-1,2-propanediol C9H11FO3 详情 详情
(V) 32986 4-fluorophenyl (2S)oxiranylmethyl ether; (2S)-2-[(4-fluorophenoxy)methyl]oxirane 108648-25-5 C9H9FO2 详情 详情
(VI) 32987 (2S)-3-(4-fluorophenoxy)-2-hydroxypropyl 4-methylbenzenesulfonate C16H17FO5S 详情 详情
(VII) 22150 2-[(4-fluorophenoxy)methyl]oxirane; 4-fluorophenyl 2-oxiranylmethyl ether 18123-82-5 C9H9FO2 详情 详情
(VIII) 10386 Allyl(bromo)magnesium 1730-25-2 C3H5BrMg 详情 详情
(IX) 32988 (2R)-1-(4-fluorophenoxy)-5-hexen-2-ol C12H15FO2 详情 详情
(X) 32989 (1R)-1-[(4-fluorophenoxy)methyl]-4-pentenyl benzenesulfonate C18H19FO4S 详情 详情
(XI) 32990 (1R)-1-[(4-fluorophenoxy)methyl]-4-oxobutyl benzenesulfonate C17H17FO5S 详情 详情
(XII) 14182 ethyl 2-(triphenyl-lambda(5)-phosphanylidene)acetate; (Carbethoxymethylene)triphenylphosphorane 1099-45-2 C22H21O2P 详情 详情
(XIII) 32991 ethyl (E,6R)-7-(4-fluorophenoxy)-6-[(phenylsulfonyl)oxy]-2-heptenoate C21H23FO6S 详情 详情
(XIV) 32992 (1R,4E)-1-[(4-fluorophenoxy)methyl]-6-hydroxy-4-hexenyl benzenesulfonate C19H21FO5S 详情 详情
(XV) 32993 (1R)-1-[(4-fluorophenoxy)methyl]-3-[(2R,3S)-3-(hydroxymethyl)oxiranyl]propyl benzenesulfonate C19H21FO6S 详情 详情
(XVI) 32994 (1R)-3-[(2R,3R)-3-(chloromethyl)oxiranyl]-1-[(4-fluorophenoxy)methyl]propyl benzenesulfonate C19H20ClFO5S 详情 详情
Extended Information