(2H, brd, J = 8.4 Hz, H-100), 2.63

(2H, brd, J = 8.4 Hz, H-100), 2.63 (1H, dd, J = 2.7, 17.0 Hz, H-3b), 1.12
(6H, s, H-400/500); 13C NMR (DMSO-d6, 125 MHz): d 190.56 (C-4),
166.90 (C-7),163.45 (C-9),158.08 (C-40
),129.66 (C-10
),128.75 (C-20
/
60
), 123.11 (C-6), 122.68 (C-5), 115.56 (C-30
/50
), 114.58 (C-10), 97.55
(C-8), 91.53 (C-200), 79.58 (C-2), 70.47 (C-300), 43.45 (C-3), 28.80 (C-
100), 26.25 (C-400), 25.24 (C-500).
3.4.2.2. (2S)-40
-hydroxy-6,7-[(R)-2-(1-hydroxy-1-methylethyl)-2,3-
dihydrofurano]flavanone (3). Yield: 31.3%. Pale yellow powder;
½a
25
D : 56 (c 0.016, MeOH); UV lmax (MeOH): 241, 280, 325 nm; IR
(KBr) ymax: 3247, 2879, 1619, 1517, 1469, 1371, 1252, 1144 cm1
; 1
H
NMR (DMSO-d6, 500 MHz) and 13C NMR (DMSO-d6, 125 MHz) see
Table 1. HR-ESI–MS m/z: 341.1385 [M+H]+ (calcd for C20H21O5,
341.1389).
3.4.2.3. (2S)-40
,7-dihydroxy-6-(2,3-dihydroxy-3-methylbutyl)
flavanone (4). Yield: 19.4%. Pale yellow powder;½a
25
D : +27 (c
0.025, MeOH); UV lmax (MeOH): 235, 279, 321 nm; IR (KBr) ymax:
3260, 2878, 1628, 1531, 1460, 1365, 1252, 1143 cm1
; 1
H NMR
(DMSO-d6, 500 MHz) and 13C NMR (DMSO-d6, 125 MHz) see
Table 1. HR-ESI–MS m/z: 359.1493 [M+H]+ (calcd for C20H23O6,359.1495).

Hasil (Bahasa Indonesia) 1:

(2H, brd, J = 8.4 Hz, H-100), 2.63 (1 H, dd, J = 2.7, 17.0 Hz, H-3b), 1,12(6H, s, H-400/500); 13C NMR (DMSO-d6, 125 MHz): d 190.56 (C-4),166.90 (C-7), 163.45 (C-9), 158.08 (C-40), 129.66 (C-10), 128.75 (C-20/60), 123.11 (C-6), 122.68 (C-5), 115.56 (C-30/ 50), 114.58 (C-10), 97.55(C-8), 91.53 (C-200), 79.58 (C-2), 70.47 (C-300), 43,45 (C-3), 28.80 (C-100), 26.25 (C-400), 25.24 (C-500).3.4.2.2. (2S) -40-hydroxy-6,7-[(R)-2-(1-hydroxy-1-methylethyl)-2,3-dihydrofurano] flavanone (3). Hasil: 31,3%. Bubuk kuning pucat;½a25D: 56 (c 0.016, MeOH); UV lmax (MeOH): 241 280, 325 nm; IRYmax (KBr): 3247, 2879, 1619, 1517, 1469, 1371, 1252, 1144 cm1; 1HNMR (DMSO-d6, 500 MHz) dan 13C NMR (DMSO-d6, 125 MHz) melihatTabel 1. HR-ESI-MS m/z: 341.1385 [M + H] + (calcd untuk C20H21O5,341.1389).3.4.2.3. (2S) -40, 7-dihydroxy-6-(2,3-dihydroxy-3-methylbutyl)flavanone (4). Hasil: 19.4%. Bubuk kuning pucat; ½a25D: + 27 (c.0.025, MeOH); UV lmax (MeOH): 235 279, 321 nm; Ymax IR (KBr):3260 2878 1628, 1531, 1460, 1365, 1252, 1143 cm1; 1H NMR(DMSO-d6, 500 MHz) dan 13C NMR (DMSO-d6, 125 MHz) melihatTabel 1. HR-ESI-MS m/z: 359.1493 [M + H] + (calcd untuk C20H23O6, 359.1495).

Hasil (Bahasa Indonesia) 2:

(2H, brd, J = 8,4 Hz, H-100), 2,63 (1H, dd, J = 2,7, 17,0 Hz, H-3b), 1,12
(6H, s, H-400/500); 13C NMR (DMSO-d6, 125 MHz): d 190,56 (C-4),
166,90 (C-7), 163,45 (C-9), 158,08 (C-40
), 129,66 (C-10
), 128,75 (C -20
/
60
), 123,11 (C-6), 122,68 (C-5), 115,56 (C-30
/50
), 114,58 (C-10), 97,55
(C-8), 91,53 (C-200), 79.58 (C-2), 70,47 (C-300), 43,45 (C-3), 28.80 (C-
100), 26,25 (C-400), 25.24 (C-500).
3.4.2.2. (2S) -40
-hydroxy-6,7 - [(R) -2 (1-hidroksi-1-metiletil) -2,3-
dihydrofurano] flavanone (3). Yield: 31,3%. Bubuk kuning pucat;
½a
25
D: 56? (c 0,016, MeOH); Lmax UV (MeOH): 241, 280, 325 nm; IR
(KBr) ymax: 3247, 2879, 1619, 1517, 1469, 1371, 1252, 1144 CM1
; 1
H
NMR (DMSO-d6, 500 MHz) dan 13C NMR (DMSO-d6, 125 MHz) melihat
Tabel 1. HR-ESI-MS m / z: 341,1385 [M + H] + (calcd untuk C20H21O5,
341,1389).
3.4.2.3. (2S) -40
, 7-dihidroksi-6- (2,3-dihidroksi-3-methylbutyl)
flavanone (4). Yield: 19,4%. Bubuk kuning pucat; ½a
25
D: 27? (c
0,025, MeOH); Lmax UV (MeOH): 235, 279, 321 nm; IR (KBr) ymax:
3260, 2878, 1628, 1531, 1460, 1365, 1252, 1143 CM1
; 1
H NMR
(DMSO-d6, 500 MHz) dan 13C NMR (DMSO-d6, 125 MHz) melihat
Tabel 1. HR-ESI-MS m / z: 359,1493 [M + H] + (calcd untuk C20H23O6,359.1495).