Technology Process of 2,2-Dimethyl-propionic acid (Z)-(4R,5S,6R,9R)-5-(tert-butyl-dimethyl-silanyloxy)-10-[(2R,3R,4R,5S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-phenylsulfanyl-tetrahydro-pyran-2-yl]-9-hydroxy-2,4,6-trimethyl-dec-2-en-7-ynyl ester
There total 15 articles about 2,2-Dimethyl-propionic acid (Z)-(4R,5S,6R,9R)-5-(tert-butyl-dimethyl-silanyloxy)-10-[(2R,3R,4R,5S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-phenylsulfanyl-tetrahydro-pyran-2-yl]-9-hydroxy-2,4,6-trimethyl-dec-2-en-7-ynyl ester which
guide to synthetic route it.
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synthetic route:
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153788-94-4
2,2-Dimethyl-propionic acid (Z)-(4R,5S,6R,9R)-5-(tert-butyl-dimethyl-silanyloxy)-10-[(2R,3R,4R,5S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-phenylsulfanyl-tetrahydro-pyran-2-yl]-9-hydroxy-2,4,6-trimethyl-dec-2-en-7-ynyl ester
- Guidance literature:
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Multi-step reaction with 7 steps
1: 93 percent / Et3N
2: 1.) O3, DMS, 2.) KHMDS / 1.) 18-crown-6, 2.) 18-crown-6
3: 92 percent / LiAlH4
4: 96 percent / oyridine
5: 1.) HF*pyridine, 2.) Swern reagent, KOtBu, 3.) I2, morpholine
6: NiCl2, CrCl2 / 1.) THF
7: 1.) Swern reagent, 2.) catecholborane, B-butyloxazaborolidine
With
morpholine; pyridine; chromium dichloride; lithium aluminium tetrahydride; swern reagent; 2,3-dimercapto-succinic acid; B-butyloxazaborolidine; potassium tert-butylate; iodine; potassium hexamethylsilazane; pyridine hydrogenfluoride; ozone; triethylamine; nickel dichloride; benzo[1,3,2]dioxaborole;
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153788-94-4
2,2-Dimethyl-propionic acid (Z)-(4R,5S,6R,9R)-5-(tert-butyl-dimethyl-silanyloxy)-10-[(2R,3R,4R,5S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-phenylsulfanyl-tetrahydro-pyran-2-yl]-9-hydroxy-2,4,6-trimethyl-dec-2-en-7-ynyl ester
- Guidance literature:
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Multi-step reaction with 5 steps
1: 1.) Dess-Martin reagent, Amberlyst, 2.) CSA
2: 99 percent / lutidine
3: 1.) LiOH, HNMe(OMe), DCC, HOBT, 2.) ZnI2, Bu4NI, 3.) LiAlH4
4: NiCl2, CrCl2 / 1.) THF
5: 1.) Swern reagent, 2.) catecholborane, B-butyloxazaborolidine
With
chromium dichloride; lithium hydroxide; lithium aluminium tetrahydride; swern reagent; Amberlyst; B-butyloxazaborolidine; lutidine; camphor-10-sulfonic acid; tetra-(n-butyl)ammonium iodide; benzotriazol-1-ol; Dess-Martin periodane; dicyclohexyl-carbodiimide; zinc(II) iodide; nickel dichloride; N,0-dimethylhydroxylamine; benzo[1,3,2]dioxaborole;
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153788-94-4
2,2-Dimethyl-propionic acid (Z)-(4R,5S,6R,9R)-5-(tert-butyl-dimethyl-silanyloxy)-10-[(2R,3R,4R,5S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-3,5-dimethyl-6-phenylsulfanyl-tetrahydro-pyran-2-yl]-9-hydroxy-2,4,6-trimethyl-dec-2-en-7-ynyl ester
- Guidance literature:
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Multi-step reaction with 3 steps
1: 1.) LiOH, HNMe(OMe), DCC, HOBT, 2.) ZnI2, Bu4NI, 3.) LiAlH4
2: NiCl2, CrCl2 / 1.) THF
3: 1.) Swern reagent, 2.) catecholborane, B-butyloxazaborolidine
With
chromium dichloride; lithium hydroxide; lithium aluminium tetrahydride; swern reagent; B-butyloxazaborolidine; tetra-(n-butyl)ammonium iodide; benzotriazol-1-ol; dicyclohexyl-carbodiimide; zinc(II) iodide; nickel dichloride; N,0-dimethylhydroxylamine; benzo[1,3,2]dioxaborole;