Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (3R,4S)-tert-Butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

201856-57-7

201856-57-7 structure

Name: (3R,4S)-tert-Butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate
Chemical Name: tert-butyl (3R,4S)-3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate
CAS Number: 201856-57-7
Molecular Formula: C₁₈H₂₅NO₅
Molecular Weight: 335.395
Create Date: 2019-01-07 09:47:14
Modify Date: 2026-08-02 18:45:20

Name	tert-butyl (3R,4S)-3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-carboxylate
Synonyms	(3r,4s)-tert-butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-cboxylate (3R,4S)-3-(1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecboxylic Acid 1,1-DiMethylethyl Ester Docetaxel Intermediate I (3R,4S)-1-t-butoxycbonyl-3-(2-ethoxyethoxyl)-4-phenyl-2-azetidinone (3R,4S)-1-AZETIDINECBOXYLIC ACID-3-(2-ETHOXYETHOXY)-4-PHENYL-2-PHENYL-AZETIDIONE 3-(1-ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecboxylic acid tert-butyl ester 1-Azetidinecboxylic acid, 3-(1-ethoxyethoxy)-2-oxo-4-phenyl-, 1,1-dimethylethyl ester, (3R,4S) Docetaxel Impurity 54 (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-Boc-2-azetidinone SIDE CHAINS OF DOCETAXEL-1 Docetaxel Impurity 48 3-(1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecboxylic acid 1,1-dimethylethyl ester 2-Methyl-2-propanyl (3R,4S)-3-(1-ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecarboxylate (3R, 4S) -1-tert butoxycbonyl-3- (2-ethoxyethoxy) -4-phenyl-2-propanolam tert-butyl (3R,4S)-3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidine-1-cboxylate (1-Ethoxyethoxy)-2-oxo-4-phenyl-1-azetidinecboxylic acid 1,1-dimethyl ethyl ester (3R,4S)-tert-Butyl 3-(1-ethoxyethoxy)-2-oxo-4-phenylazetidin

Density	1.2±0.1 g/cm3
Boiling Point	459.6±45.0 °C at 760 mmHg
Molecular Formula	C₁₈H₂₅NO₅
Molecular Weight	335.395
Flash Point	231.8±28.7 °C
Exact Mass	335.173279
PSA	65.07000
LogP	2.30
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.532

24424-99-5

201856-48-6

~93%

201856-57-7

Literature: Ojima, Iwao; Sun, Chung Ming; Zucco, Martine; Park, Young Boon; Duclos, Olivier; Kuduk, Scott Tetrahedron Letters, 1993 , vol. 34, # 26 p. 4149 - 4152

132127-34-5

201856-57-7

Literature: Tetrahedron Letters, , vol. 34, # 26 p. 4149 - 4152

132127-31-2

201856-57-7

Literature: Tetrahedron Letters, , vol. 34, # 26 p. 4149 - 4152

Precursor 4
24424-99-5 201856-48-6 132127-34-5 132127-31-2
DownStream 0

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