Table 1.

Bond lengths and angles of 1,2-oxazole fragments in an asymmetric unit of 6b.

Molecule 6b(A)	d, (Å)	Φ, deg
O(1)–N(2)	1.420(2)	O(1)–N(2)–C(3)	105.00(16)
N(2)–C(3)	1.298(3)	N(2)–C(3)–C(4)	112.61(17)
C(3)–C(4)	1.424(3)	C(3)–C(4)–C(5)	104.01(16)
C(4)–C(5)	1.361(2)	C(4)–C(5)–O(1)	109.44(16)
C(5)–O(1)	1.351(2)	C(5)–O(1)–N(2)	108.95(14)
Molecule 6b(B)	d, (Å)	Φ, deg
O(21)–N(22)	1.419(2)	O(21)–N(22)–C(23)	104.71(16)
N(22)–C(23)	1.305(3)	N(22)–C(23)–C(24)	112.48(17)
C(23)–C(24)	1.425(3)	C(23)–C(24)–C(25)	103.89(16)
C(24)–C(25)	1.360(2)	C(24)–C(25)–O(21)	109.68(16)
C(25)–O(21)	1.345(2)	C(25)–O(21)–N(22)	109.23(14)