Table 1.

Crystallographic data.

Crystallographic Data	Compound 6
Formula	C21H26O6, C4H8O2
M	462.52
Space group	P2 1
Crystal system	Monoclinic
a/Å	7.9730(2)
b/Å	16.3719(3)
c/Å	9.4380(3)
α/°	90.00
β/°	100.9145(8)
γ/°	90.00
U/Å3	1209.69(5)
Z	2
T/K	295
Dc/g cm−3	1.270
F(000)	496
μ(Mo-Kα)/mm−1	0.094
Unique Reflections	6576
Rint	0.0366
Obs. Refl.ns [I ≥ 2σ(I)]	5759
θmin–θmax/°	3.71−30.00
hkl ranges	−11,11;−21,22;−13,13
R(F2) (Obs. Refl.ns)	0.0426
wR(F2) (All Refl.ns)	0.1143
No. Variables	318
Goodness of fit	1.043
Δρmax; Δρmin /e Å−3	0.232; −0.022
CCDC Deposition N.	1909504