3H-NAPHTH0 [2,1-B] PYRANS AS PHOTOCHROMIC DICHROIC DYES AND OPTICAL ARTICLE CONTAINING THEM
申请人:Aiken Stuart
公开号:US20100202033A1
公开(公告)日:2010-08-12
A naphthopyran compound represented by the formula (I):
wherein:
n
1
, n
2
, p, q is an integer comprised from 0 to 5 inclusive; m is an integer comprised from 0 to 4 inclusive;
R
1
and R
2
represent a group selected from halogen, —R
a
, —OH, —OR
a
, —SH, —SR
a
, —NH
2
, —NR
a
R
a1
, —NR
b
R
c
, —CO—R
a
, and —CO
2
R
a1
, wherein R
a
, R
a1
, R
b
and R
c
, are as defined in the description;
R
3
represents a group selected from halogen, —R
a
, —OH, —OR
a
, —SH, —SR
a
, —NH
2
, and —NR
a
R
a1
;
R
4
represents a group selected from halogen, —R
a
, —OH, —OR
a
, —SH, —SR
a
, —NH
2
, —NR
a
R
a1
, —CO—R
a
, and —CO
2
R
a1
;
R
5
represents a group selected from:
halogen, —R
a
, —OH, —OR
a
, —SH, —SR
a
, —NH
2
, and —NR
a
R
a1
, wherein R
a
and R
a1
are as defined hereinbefore,
or when q is equal to 2, then two R
5
together represent further a group —O—(CH
2
)
q1
—O— wherein q1 represents an integer comprised from 1 to 3 inclusive.
一种
萘并
吡喃化合物,其
化学式表示为(I):其中:n1、n2、p、q为0至5之间的整数;m为0至4之间的整数;R1和R2表示从卤素,—Ra,—OH,—ORa,—SH,—SRa,—NH2,—NRaRa1,—NRbRc,—CO—Ra和—CO2Ra1中选择的基团,其中Ra,Ra1,Rb和Rc如上所述;R3表示从卤素,—Ra,—OH,—ORa,—SH,—SRa,—NH2和—NRaRa1中选择的基团;R4表示从卤素,—Ra,—OH,—ORa,—SH,—SRa,—NH2,—NRaRa1,—CO—Ra和—CO2Ra1中选择的基团;R5表示从卤素,—Ra,—OH,—ORa,—SH,—SRa,—NH2和—NRaRa1中选择的基团,其中Ra和Ra1如上所述,或者当q等于2时,两个R5共同表示进一步的基团—O—(
CH2)q1—O—,其中q1为1至3之间的整数。