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Asymmetric Synthesis

1122
Sub Categories
Chiral Auxiliaries 57
Chiral Building Blocks 875
Chiral Catalysts, Chiral Ligands, & Chiral Reagents 188
Chiral Resolution Reagents 100
Filters

  • Boc-D-nipecotic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Nip-OH
    Catalog Number:
    16996
    CAS Number:
    163438-09-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02179173
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.27
    Specification Sheet SDS

  • erythro-N-Boc-L-cyclohexylalanine epoxide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    [(1S-(1'-(S-N-Boc-amino-2-cyclohexylethyl)oxirane
    Catalog Number:
    16875
    CAS Number:
    107202-62-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08061628
    Molecular Formula:
    C15H27NO3
    Molecular Weight:
    269.38
    Specification Sheet SDS

  • erythro-N-Boc-D-phenylalanine epoxide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    16818
    CAS Number:
    98818-34-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08061627
    Molecular Formula:
    C15H21NO3
    Molecular Weight:
    263.33
    Specification Sheet SDS

  • (R)-(+)-4-Benzyl-2-oxazolidinone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (4R)-4-Benzyl-1,3-oxazolidin-2-one
    Catalog Number:
    16513
    CAS Number:
    102029-44-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00010846
    Molecular Formula:
    C10H11NO2
    Molecular Weight:
    177.2
    Specification Sheet SDS

  • threo-N-Boc-D-phenylalanine epoxide

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    16817
    CAS Number:
    98818-35-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD08061626
    Molecular Formula:
    C15H21NO3
    Molecular Weight:
    263.33
    Specification Sheet SDS

  • threo-N-Boc-L-homophenylalanine epoxide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    16824
    CAS Number:
    1217636-74-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08061634
    Molecular Formula:
    C16H23NO3
    Molecular Weight:
    277.36
    Specification Sheet SDS

  • erythro-N-Boc-L-4-carbamoylphenylalanine epoxide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    16821
    CAS Number:
    1217673-66-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08061631
    Molecular Formula:
    C16H22N2O4
    Molecular Weight:
    306.36
    Specification Sheet SDS

  • erythro-N-Boc-L-3,5-difluorophenylalanine epoxide

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    16820
    CAS Number:
    388071-27-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08061630
    Molecular Formula:
    C15H19F2NO3
    Molecular Weight:
    299.31
    Specification Sheet SDS

  • threo-N-Boc-D-homophenylalanine epoxide

    Catalog Number:
    16823
    MDL NO:
    MFCD08061633
    Molecular Formula:
    C16H23NO3
    Molecular Weight:
    277.36
    SDS

  • threo-N-Boc-L-phenylalanine epoxide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (2R, 3S-1,2-Epoxy-3-N-(tert-butoxycarbonyl)amino-4-phenylbutane
    Catalog Number:
    16816
    CAS Number:
    98760-08-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00671705
    Molecular Formula:
    C15H21NO3
    Molecular Weight:
    263.33
    Specification Sheet SDS

  • Boc-(R)-2-thienylglycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-(2-thienyl)glycine
    Catalog Number:
    16645
    CAS Number:
    74562-03-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02682478
    Molecular Formula:
    C11H15NO4S
    Molecular Weight:
    257.31
    Specification Sheet SDS

  • Boc-(R)-3-Thienylglycine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-D-(3-thienyl)glycine
    Catalog Number:
    16642
    CAS Number:
    33130-97-1
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD02682481
    Molecular Formula:
    C11H15NO4S
    Molecular Weight:
    257.31
    Specification Sheet SDS

  • (S)-(+)-3-Fluoropyrrolidine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    16630
    CAS Number:
    136725-53-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04038718
    Molecular Formula:
    C4H9ClFN
    Molecular Weight:
    125.57
    Specification Sheet SDS

  • (S)-1-Amino-2-propanol

    Purity:
    ≥ 98% (GC, Chiral purity)
    Synonym:
    (+)-Isopropanolamine
    Catalog Number:
    16632
    CAS Number:
    2799-17-9
    Purity Limit:
    ≥ 98% (GC, Chiral purity)
    MDL NO:
    MFCD00064429
    Molecular Formula:
    C3H9NO
    Molecular Weight:
    75.11
    Specification Sheet SDS

  • (R)-1-Amino-2-propanol

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    (-)-Isopropanolamine
    Catalog Number:
    16633
    CAS Number:
    2799-16-8
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00064428
    Molecular Formula:
    C3H9NO
    Molecular Weight:
    75.11
    Specification Sheet SDS

  • L-Isoleucinol

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Ile-ol
    Catalog Number:
    16620
    CAS Number:
    24629-25-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00004731
    Molecular Formula:
    C6H15NO
    Molecular Weight:
    117.19
    Specification Sheet SDS

  • (S)-(+)-4-Phenyl-2-oxazolidinone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (S-(+)-4-Phenyloxazolidin-2-one
    Catalog Number:
    16615
    CAS Number:
    99395-88-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00043396
    Molecular Formula:
    C9H9NO2
    Molecular Weight:
    163.17
    Specification Sheet SDS

  • Methyl-(S)-(+)-mandelate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (S-(+)-α-Hydroxyphenylacetic acid methyl ester
    Catalog Number:
    16613
    CAS Number:
    21210-43-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00064246
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.17
    Specification Sheet SDS

  • (S)-(+)-Methoxyphenylacetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    O-Methyl-(S-mandelic acid
    Catalog Number:
    16614
    CAS Number:
    26164-26-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00064216
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.17
    Specification Sheet SDS

  • (S)-(-)-4-Benzyl-2-oxazolidinone

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    (4S)-4-Benzyl-1,3-oxazolidin-2-one
    Catalog Number:
    16606
    CAS Number:
    90719-32-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00064496
    Molecular Formula:
    C10H11NO2
    Molecular Weight:
    177.2
    Specification Sheet SDS

  • (2S)-(+)-Glycidyl tosylate

    Hazmat
    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    (S-(+)-Oxirane-2-methanol p-toluenesulfonate
    Hazmat
    Catalog Number:
    16611
    CAS Number:
    70987-78-9
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00064489
    Molecular Formula:
    C10H12O4S
    Molecular Weight:
    228.26
    Specification Sheet SDS

  • (S)-4-Oxopyrrolidine-1,2-dicarboxylic acid 1-tert-butyl 2-methyl diester

    Purity:
    ≥ 99% (GC, Chiral purity)
    Synonym:
    Boc-4-oxo-L-proline methyl ester
    Catalog Number:
    16608
    CAS Number:
    102195-80-2
    Purity Limit:
    ≥ 99% (GC, Chiral purity)
    MDL NO:
    MFCD01861778
    Molecular Formula:
    C11H17NO5
    Molecular Weight:
    243.26
    Specification Sheet SDS

  • (S)-(-)-Diphenyl-2-pyrrolidinemethanol

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    (S)-(-)-2-(Diphenylhydroxymethyl)pyrrolidine
    Catalog Number:
    16607
    CAS Number:
    112068-01-6
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00075506
    Molecular Formula:
    C17H19NO
    Molecular Weight:
    253.34
    Specification Sheet SDS

  • Boc-D-prolinal

    Purity:
    ≥ 97% (NMR)
    Synonym:
    (R-Boc-pyrrolidine-2-carboxaldehyde
    Catalog Number:
    16603
    CAS Number:
    73365-02-3
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD01321389
    Molecular Formula:
    C10H17NO3
    Molecular Weight:
    199.25
    Specification Sheet SDS

  • (S)-(-)-1,1'-Bi-2-naphthol

    Hazmat
    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    (-)-2,2'-Dihydroxy-1,1'-dinaphthyl
    Hazmat
    Catalog Number:
    16601
    CAS Number:
    18531-99-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00004068
    Molecular Formula:
    C20H14O2
    Molecular Weight:
    286.32
    Specification Sheet SDS

  • D-Indoline-2-carboxylic acid

    Purity:
    ≥ 97% (Assay)
    Synonym:
    (R)-(+)-Indoline-2-carboxylic acid
    Catalog Number:
    16595
    CAS Number:
    98167-06-7
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00792496
    Molecular Formula:
    C9H9NO2
    Molecular Weight:
    163.17
    Specification Sheet SDS

  • S(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    (S-(-)-BINAP
    Catalog Number:
    16599
    CAS Number:
    76189-56-5
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00010805
    Molecular Formula:
    C44H32P2
    Molecular Weight:
    622.67
    Specification Sheet SDS

  • (S)-(-)-4-Isopropyl-2-oxazolidinone

    Purity:
    ≥ 99% (GC, Chiral purity)
    Synonym:
    (4S-4-Isopropyl-1,3-oxazolidin-2-one
    Catalog Number:
    16591
    CAS Number:
    17016-83-0
    Purity Limit:
    ≥ 99% (GC, Chiral purity)
    MDL NO:
    MFCD00010847
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
    Specification Sheet SDS

  • (R)-(-)-α-Methoxyphenylacetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    O-Methyl-(R)-mandelic acid
    Catalog Number:
    16594
    CAS Number:
    3966-32-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00004250
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.17
    Specification Sheet SDS

  • (R)-(-)-4-Phenyl-2-oxazolidinone

    Purity:
    ≥ 99.5% (Chrial purity, GC)
    Synonym:
    (4R-4-Phenyl-1,3-oxazolidin-2-one
    Catalog Number:
    16578
    CAS Number:
    90319-52-1
    Purity Limit:
    ≥ 99.5% (Chrial purity, GC)
    MDL NO:
    MFCD00192393
    Molecular Formula:
    C9H9NO2
    Molecular Weight:
    163.18
    Specification Sheet SDS

  • (2R,5S)-2-Trichloromethyl-3-oxa-1-azabicyclo[3·3·0]octan-4-one

    Purity:
    ≥ 97%
    Synonym:
    (3R-Trichloromethyl-cis-tetrahydropyrrolo[1,2-c]oxazol-1-one
    Catalog Number:
    16581
    CAS Number:
    97538-67-5
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD08274464
    Molecular Formula:
    C7H8Cl3NO2
    Molecular Weight:
    244.5
    Specification Sheet SDS

  • (R)-(+)-4-Isopropyl-2-oxazolidinone

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (4R)-4-Isopropyl-1,3-oxazolidin-2-one
    Catalog Number:
    16579
    CAS Number:
    95530-58-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00075172
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
    Specification Sheet SDS

  • Boc-4-methylene-L-proline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-4-methylene-L-proline
    Catalog Number:
    16572
    CAS Number:
    84348-38-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01861787
    Molecular Formula:
    C11H17NO4
    Molecular Weight:
    227.26
    Specification Sheet SDS

  • (R)-(+)-1,1'-Bi-2-naphthol

    Hazmat
    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    (+)-2,2'-Dihydroxy-1,1'-binaphthyl
    Hazmat
    Catalog Number:
    16532
    CAS Number:
    18531-94-7
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00004068
    Molecular Formula:
    C20H14O2
    Molecular Weight:
    286.32
    Specification Sheet SDS

  • (R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R)-(+)-BINAP
    Catalog Number:
    16566
    CAS Number:
    76189-55-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00010805
    Molecular Formula:
    C44H32P2
    Molecular Weight:
    622.67
    Specification Sheet SDS

  • (S)-2-Indolinemethanol

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (S-2-(Hydroxymethyl)indoline
    Catalog Number:
    16551
    CAS Number:
    27640-33-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02683225
    Molecular Formula:
    C9H11NO
    Molecular Weight:
    149.19
    Specification Sheet SDS

  • 4-cis-Fluoro-L-prolinamide hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (2S,4S-4-Fluoropyrrolidine-2-carboxamide hydrochloride
    Catalog Number:
    16558
    CAS Number:
    426844-23-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD07368567
    Molecular Formula:
    C5H9FN2O·HCl
    Molecular Weight:
    168.6
    Specification Sheet SDS

  • (S)-(-)-α-(Boc-Amino)-γ-butyrolactone

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    Boc-L-homoserine lactone
    Catalog Number:
    16557
    CAS Number:
    40856-59-5
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD04973958
    Molecular Formula:
    C9H15NO4
    Molecular Weight:
    201.22
    Specification Sheet SDS

  • (R)-3-Hydroxypyrrolidine

    Purity:
    ≥ 99.5% (ee)
    Synonym:
    (R-Pyrrolidin-3-ol
    Catalog Number:
    16552
    CAS Number:
    2799-21-5
    Purity Limit:
    ≥ 99.5% (ee)
    MDL NO:
    MFCD00145220
    Molecular Formula:
    C4H9NO
    Molecular Weight:
    87.12
    Specification Sheet SDS

  • Boc-4,4-Difluoro-L-proline methyl ester

    Purity:
    ≥ 99% (NMR)
    Catalog Number:
    16539
    CAS Number:
    203866-17-5
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD03094918
    Molecular Formula:
    C11H17F2NO4
    Molecular Weight:
    265.25
    Specification Sheet SDS

  • Boc-cis-4-fluoro-L-proline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-cis-4-fluoro-L-Pro-OH
    Catalog Number:
    16536
    CAS Number:
    203866-13-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD04973957
    Molecular Formula:
    C10H16FNO4
    Molecular Weight:
    233.24
    Specification Sheet SDS

  • Boc-trans-4-fluoro-L-proline methyl ester

    Purity:
    ≥ 99% (Chiral purity, GC)
    Synonym:
    Boc-trans-4-fluoro-L-Pro-OMe
    Catalog Number:
    16540
    CAS Number:
    203866-18-6
    Purity Limit:
    ≥ 99% (Chiral purity, GC)
    MDL NO:
    MFCD07367993
    Molecular Formula:
    C11H18FNO4
    Molecular Weight:
    247.26
    Specification Sheet SDS

  • Boc-4,4-Difluoro-L-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (2S-1-(tert-Butoxycarbonyl)-4,4-difluoropyrrolidine-2-carboxylic acid
    Catalog Number:
    16538
    CAS Number:
    203866-15-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03094917
    Molecular Formula:
    C10H15F2NO4
    Molecular Weight:
    251.23
    Specification Sheet SDS

  • Methyl-(R)-(-)-mandelate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R-(-)-α-Hydroxyphenylacetic acid methyl ester
    Catalog Number:
    16541
    CAS Number:
    20698-91-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00064247
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.17
    Specification Sheet SDS

  • Boc-trans-4-fluoro-L-proline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-trans-4-fluoro-L-Pro-OH
    Catalog Number:
    16537
    CAS Number:
    203866-14-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD06796085
    Molecular Formula:
    C10H16FNO4
    Molecular Weight:
    233.24
    Specification Sheet SDS

  • (R)-3-Fluoropyrrolidine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Catalog Number:
    16524
    CAS Number:
    136725-55-8
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD04038717
    Molecular Formula:
    C4H9ClFN
    Molecular Weight:
    125.57
    Specification Sheet SDS

  • Boc-cis-4-hydroxy-D-proline

    Purity:
    ≥ 98%
    Synonym:
    Boc-(2R,4R-(+)-4-hydroxypyrrolidine-2-carboxylic acid
    Catalog Number:
    16523
    CAS Number:
    135042-12-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD02094407
    Molecular Formula:
    C10H17NO5
    Molecular Weight:
    231.25
    Specification Sheet SDS

  • (2R)-(-)-Glycidyl tosylate

    Hazmat
    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    (R-(-)-Oxirane-2-methanol p-toluenesulfonate
    Hazmat
    Catalog Number:
    16518
    CAS Number:
    113826-06-5
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00010834
    Molecular Formula:
    C10H12O4S
    Molecular Weight:
    228.26
    Specification Sheet SDS

  • (S)-(+)-Boc-3-pyrrolidinol

    Hazmat
    Purity:
    ≥ 98%
    Synonym:
    (S-(+)-N-Boc-3-hydroxypyrrolidine
    Hazmat
    Catalog Number:
    16512
    CAS Number:
    101469-92-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01317839
    Molecular Formula:
    C9H17NO3
    Molecular Weight:
    187.24
    Specification Sheet SDS

  • (R)-(-)-Boc-3-pyrrolidinol

    Hazmat
    Purity:
    ≥ 99.5% (GC, Chiral purity)
    Synonym:
    (R-(-)-1-Boc-3-hydroxypyrrolidine
    Hazmat
    Catalog Number:
    16516
    CAS Number:
    109431-87-0
    Purity Limit:
    ≥ 99.5% (GC, Chiral purity)
    MDL NO:
    MFCD01317838
    Molecular Formula:
    C9H17NO3
    Molecular Weight:
    187.24
    Specification Sheet SDS
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