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Cas Database

1203507-22-5

1203507-22-5

Identification

  • Product Name:4-methoxyphenyl 2-(4-methoxyphenyl)-4-isopropyloxazol-5-yl carbonate

  • CAS Number: 1203507-22-5

  • EINECS:

  • Molecular Weight:383.401

  • Molecular Formula: C21H21NO6

  • HS Code:

  • Mol File:1203507-22-5.mol

Synonyms:4-methoxyphenyl 2-(4-methoxyphenyl)-4-isopropyloxazol-5-yl carbonate

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Relevant articles and documentsAll total 1 Articles be found

Isothiourea-catalyzed enantioselective carboxy group transfer

Joannesse, Caroline,Johnston, Craig P.,Concellon, Carmen,Simal, Carmen,Philp, Douglas,Smith, Andrew D.

supporting information; experimental part, p. 8914 - 8918 (2010/02/28)

Transferable skills: Enantiomerically pure isothioureas promote the 0-to C-carboxyl group transfer of oxazolyl carbonates with excellent levels of enantiocontrol (see scheme). The origin of the enantioselectivity of this process was probed mechanistically and rationalized computationally.

Process route upstream and downstream products

Process route

4-methoxyphenylchloroformate
7693-41-6

4-methoxyphenylchloroformate

2-(4-methoxyphenyl)-5-oxo-4-iso-propyl-4,5-dihydrooxazole
79137-48-7

2-(4-methoxyphenyl)-5-oxo-4-iso-propyl-4,5-dihydrooxazole

4-methoxyphenyl 2-(4-methoxyphenyl)-4-isopropyloxazol-5-yl carbonate
1203507-22-5

4-methoxyphenyl 2-(4-methoxyphenyl)-4-isopropyloxazol-5-yl carbonate

Conditions
Conditions Yield
With triethylamine; In tetrahydrofuran; at 0 - 20 ℃;
80%
4-methoxyphenyl 2-(4-methoxyphenyl)-4-isopropyloxazol-5-yl carbonate
1203507-22-5

4-methoxyphenyl 2-(4-methoxyphenyl)-4-isopropyloxazol-5-yl carbonate

4-methoxyphenyl (S)-4-isopropyl-2-(4-methoxyphenyl)-5-oxo-4,5-dihydrooxazole-4-carboxylate

4-methoxyphenyl (S)-4-isopropyl-2-(4-methoxyphenyl)-5-oxo-4,5-dihydrooxazole-4-carboxylate

4-methoxyphenyl (R)-4-isopropyl-2-(4-methoxyphenyl)-5-oxo-4,5-dihydrooxazole-4-carboxylate
1203507-23-6

4-methoxyphenyl (R)-4-isopropyl-2-(4-methoxyphenyl)-5-oxo-4,5-dihydrooxazole-4-carboxylate

Conditions
Conditions Yield
With 2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine; In dichloromethane; at 0 ℃; for 5h; optical yield given as %ee; enantioselective reaction; Inert atmosphere;
With 2-phenyl-3,4-dihydro-2H-benzo[4,5]thiazolo[3,2-a]pyrimidine; In dichloromethane; at 0 ℃; for 5h; optical yield given as %ee; enantioselective reaction; Inert atmosphere;

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