Spiro[9H-benzo[a]fluorene-9,2'(3'H)-furo[3,2-b]pyridine]-3,11-dione, 1,2,3'a,4',5,5',6,6',6a,6b,7,7',7'a,8,11a,11b-hexadecahydro-3',6',10,11b-tetramethyl-, (2'R,3'R,3'aS,6'S,6aS,6bS,7'aR,11aS,11bR)- synthesis

2synthesis methods

Product Name:Spiro[9H-benzo[a]fluorene-9,2'(3'H)-furo[3,2-b]pyridine]-3,11-dione, 1,2,3'a,4',5,5',6,6',6a,6b,7,7',7'a,8,11a,11b-hexadecahydro-3',6',10,11b-tetramethyl-, (2'R,3'R,3'aS,6'S,6aS,6bS,7'aR,11aS,11bR)-
CAS Number:469-60-3
Molecular formula:C27H37NO3
Molecular Weight:423.59

Yield: 4.6 mg ， 6.1 mg ， 3.6 mg ， 8.8 mg

Reaction Conditions:

with Cunninghamella echinulata ACCC 30369 in ethanol for 288 h;

References:

Chen, Ke-Yu;Lue, Yi-Feng;Zhang, Wei-Dong;Tang, Jian;Liu, Run-Hui;Li, Hui-Liang [Helvetica Chimica Acta,2013,vol. 96,# 6,p. 1072 - 1077]