Table 3.

The ¹³C-NMR spectral data of polyynes 1-5, isolated from A. sinensis (CDCl₃, 100 MHz)

Position compounds 1,3-5 [2]	1	2	3	4	5
1 [18]	117.3	117.3	9.3	117.6	67.1
2 [17]	135.7	135.8	30.7	135.6	45.7
3 [16]	63.4	63.4	64.1	63.3	184.6
4 [15]	78.2	78.4	80.7	76.3	75.7
5 [14]	70.3	70.2	68.6	72.2	77.4
6 [13]	68.7	68.7	68.9	70.7	67.9
7 [12]	79.8	79.7	79.2	78.7	87.6
8 [11]	58.5	58.6	58.7	62.2	59.1
9 [10]	127.6	127.8	127.8	59.5	127.1
10 [9]	134.6	134.4	134.6	57.7	135.8
11 [8]	31.8	29.7	27.7	28.1	28.1
12 [7]	29.3	29.1	29.3	31.7	27.3
13 [6]	29.2	29.1	29.1	29.3	29.4
14 [5]	29.1	28.9	29.2	29.1	29.4
15 [4]	27.7	28.6	22.7	26.6	32.1
16 [3]	22.6	27.6	31.8	22.8	22.9
17 [2]	14.1	25.8	14.1	14.1	14.3
[1]		64.7
[1′]		171.6
[2′]		21.1
1-OCH3					58.9