(2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

Base Information

Chemical Name:(2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester
CAS No.:673476-38-5
Molecular Formula:C₃₉H₄₆N₂O₁₁
Molecular Weight:718.801
Hs Code.:

(2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

Synonyms:(2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

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Chemical Property of (2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

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Technology Process of (2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

There total 2 articles about (2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 75.0%

: 2186-92-7
p-Anisaldehyde dimethyl acetal

: 189561-75-9
N-Fmoc-(O-N-acetylgalactosaminyl)threonine tert-butyl ester

: 673476-38-5
(2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

Guidance literature:: With toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at 50 ℃; under 11.2509 Torr;
DOI:10.1055/s-2003-42029

Reference yield:

: 120173-56-0
N^α-(9-fluorenylmethoxycarbony)-O-(2-acetamido-2-deoxy-3,4,6-tri-O-acetyl-α-D-galactopyranosyl)-L-threonine tert-butyl ester

: 673476-38-5
(2S,3R)-3-[(2S,4aR,6S,7R,8R,8aR)-7-Acetylamino-8-hydroxy-2-(4-methoxy-phenyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-(9H-fluoren-9-ylmethoxycarbonylamino)-butyric acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 71 percent / NaOMe / methanol / pH 8.5

2: 75 percent / p-TsOH / dimethylformamide / 50 °C / 11.25 Torr

With sodium methylate; toluene-4-sulfonic acid; In methanol; N,N-dimethyl-formamide;
DOI:10.1055/s-2003-42029